. WAR D~P~N1~A2? ?S Ofhce of the Ch1ef~the a.. Cuips 

Washington 

1/1i..,/o~ Memorandmn for 

~.l~·'-}.~0-

. . oc: ~t.) 0 

tkS .p~-r. ~. 

~ ?o~Q.~~ ...... 

~Q..I • ~ • b 6 ~ • 0 ., Ct 

-- 1-(2.,. ·~ ~ '1~· ~ ~. 

a~ ,. r~~' a .sdh·A, ~ ~ i'~,_-· 

~~~ ........... d...:... C' ..... .st' 

~ - QQ'-6 •·t-....:.- ~ ~. 

~ e..,._.. ~ ~ '\w'\,,~ 

re.,..~~~ 

8oflfideHtiaf 

CHAS. A. ROWE 

Patents Section, S. C. 

Room 'tOM \-'i I ~ Branch 1313 

Declassified and approved for release by NSA on 09-13-2013 pursuantto E .0. 1352a 
IN '1'11E UNITED S'l'ATES PA' 'ENT OFFICE 

In re application ot 

William F. Fried.men, 

Seri&l lo. 682,096, 

Filed July 2!5, 1933, 

Cryptographic S71taa 

Ron. Oonniasioner ot P&tents, 

Sirs 

.Di y. 66, Room 6897 

July 2·· 1935. 

Beeponeive to Pa.tent Office Action dl>l.ted January 30, 1935. 

In the spec'ficP.tion, page 2, line l, ca.noel "cryptogrFLpbe" 

and su.betitute - - or;yptograph!o systems - -

Page 3, lihes 3 and 4 cancel " take the form of a set of " 

and eubsti tute comprise tran1lat1ng de•1ce1 auoh as the - -

Line 4 after " or " insert - - the translating devices may tnlce the rorm ot - -

euch a.a - -

P86e z, line 15 before .. one " 1.neert - - a sen11ng mechanisn 

It ia desired to .incorporate the following additional claims a 

35. In combinatLd1 ~ set of cl\Arl'l.oter element• constituting a 

ke)'boardts a ewitoh 1nd1Yidus.l to each element ruid operable there'bj'i a corresponding number ot tranelating devices operable by said elements; a wiring 

911tem interpoeed between ea1d awitchee and eAid tr~n•lating device• rendering 
REF ID:A272~5 

&Y&ilable a multiplicity ot electrical pathe \e~een •aid switohee and said 

deTiees ; and means operable in reeponee to ee,ch ke1 operation tor nlecting 

a group of add pathe, said la.at named meane comprising a ..-aria.bl,- operable 

eenainc mechanism. 

36. In combination ~ set of chara.oter elements eon1t1tut1ng a 

keybo&rdJ a n1tch iadi't'iclual to each element and operable there'bJ'; a cof'-

reepond1ng number of tranalat1ng d••ioea operable by anid •l~nta; a wiring 

1yatem interposed betwe•n said ..-1tcbee and said tran•latlng d••lce1 rendering 

ayailabl• & multiplicity of electrical patha between said ewttche• and ea14 

devicea whereb7 each ewitoh may become aeeociated with an:z one of a plur&llt7 

or ea.id tranelatinc deYicee, sa.id eystem oorapr1s1ng adJ:etabl)' mow.bl• connectors whereb~ the wir1l'J€ e~stem lllA.1 be giTen ~n 1n1tinl eettlng providing 

one electrical path for each nritch; and me1U1e operable in reeponee to ea.eh 

ke7 operation tor ch&ngill8' euoh aetttng. 

37. The combination eet torth in claim 36, in which the laat 

named means compri••• a eenail'lf,' mechanism operable by a perfor~ted element. 

38. The combination aet forth in claim 36• in whiob the laet 

named means cornprlH• & plurality ot relay• corresponding in number to the 

nUl!lber ot mova.bl• connectore1 ~nd a eenei:ng aeobaniam operable b)' an el•-

aent perforated in acoorda.nce with a plurnl unit character oode. 

39. In cOlllblnation a eet of character elements constituting 

a ke7boart1; a switch individual to ea.oh element and ope?"1'.ble therebJJ a 

oorreepondiDB number ot iranalBting devtcee opera~l• by eaid elamente; a 

wiring ayetem lnterpoeed between Mid ewi tones and eaid tranalat 1ng d.ertcee 

2 

-
REF ID:A2721ft'5 

rendering &vail&ble a multiplicity ot electrical paths between said switches 

and said devices wher•b1 each ewitch ma.3 become a.11eocie.ted with any one of 

a plurality of BP-id translating devicee, said eyetem compriei:ng a pluralit7 

of stationary annular commutator elements and ro~~ts.ble Rlll'lulaJ' oommu.tntor 

members interposed between each pA.ir ot fixed OOl!lml.tator elamente, aa 1d member• 

having a wet ot oontncte on each face tbereot, cooperating with the cont&etl 

ot the &dj¢ stationary element, said member• &190 h~vi:ng random eroee 

connection• between the oontaete on the opposing raoee ~hereof, where)y the 

wirine; system ~1 be given an initial setting ~twill ; and mef'LnB operable 

in response to each key operation for che.ngi:ng sueh setting. 

R E \1 A P. Y S 

Applicant' fJ file record 1e in acreement w!t the P~tent Oft ice 

file &8 to the Ol&ims remaining 1n this CMMte 

Aa to claims 11 and 13• the EX81.!1.iner ie correot in noting that 

both of aald olaime were cancelled, these two clab1 having been inclucled in 

the request for reconeiderRtlon throueh inad•ertence. 

~ group of addi tiono.1 eh.ime J!fumbers ~6 to ~9 inclusive are submi tted for action 8nrl in support of the t~rmtnology of eaid claims, f'mendment• 

ha"N been directed on page 3 of the specification to establiah the ident1t1 

or the elsmcnt1 recited in •~id claims under th~ teraa tranalat1!f deTicea 

and eensil'!t; mechruti• • The b&nk or indio!'l.ting or sign&lllng elernente whown 

3 

-
REF ID:A272~ 

in Fig. 1 And eener&lly deBlgnated b~ the numer~l 2 answers the term 

translating de..-ioea and correeponde tn number to the character element• 

of tbe key board gener~lly deeiel'lated by the nuaerRl l. Tba term 

senei!l§ ~chanhm h answered b1 the h.pe tranmitt.er I and in tbe fora 

ebown in Flge. 2 a.nd 3, the aeneing mecb&nim comprehend.• a 111\1.l tiple arrangement ot tape trn.nemitters. As to the other elemente of the new cl&1aa 

38 to 39, it 11 belte-,ed that there will be no diffioult1 in olearly reading •~id claime on the dieclosure , ao tbat it is thoU€bt unneceaeary to 

apply e&~h of the elements, eince the etructu.re will be fully underetoo4 

lt)' 'tbe F..xaminer, l\nd the operation as well a.a the structure aa defined ill 

a&id claim• ,llAJ be cle~rl1 apprehended b1 reterenoe to the daeeription 

beginning on ps.ge 7, last par8g!'aph or ea.id ~.ge and continuing through 

to the end of page 8. 

~·he new claime a.re thought to be T>&tents.bly clear or the a.rt 

tor reasons brought out in previoll.8 argument• t\nd particularly in that e&ch 

of s"lid clrihs reci tee tre.nalntine deTioee tor which no oorre1ponding elements will be found in tne a.rl ot record. 

It is noted that the Exantiner adberee to hie rejection or 

method claims 26 to 34, includva. Ref'errinc in tbh connection to the 

critioi1111 found in the last pAragraph• Pa&'• 2 ot tbe official letter, the 

wor4, •yetem, ae tolllld in claim 26 a.1 well aa in other method cla.itu waa 

used to comprehend both the terms method and apparatua. 
• 

REF ID:A272~ 

As previoi.1el;- pointed out, it. Wf»P ~onsidered neaeeanry in 41"11.f'ting 

the~ clr.imc to set torth in the r.reemblee thereof an antecedent recital 

of P.tr-,;i,<~tnro in the interest of clea.rneae ~-nd in-telligibili t7. but 

without de~inc '\he propoa1t!.on tht!.t the buJtranentr.litios wQQ.ld be 

8U8Cept1'bla ot considerfl.ble 'fRrlntion. since it Ct>..nnot be conceded 

that in the present in1ttanee the metbod r.tepo recited in t-E>.id clAim.a a.re 

aerel7 'the obTiou and intended tmlCtion ot th6 appara.t'U.15 coTered. in ealcl 

claims. 

In reque11t1ng reconsidc:r,.,t101i ot t:ht'J 1r.ethod clnkis in tl'iia oe.r.·e 

Ii•bere 26 to M, applicant ea.n only confirm M.a pod tion !!Uld reiterate 

the ar~n\1 preTioufll, enbmitted in h1r. behalf. It 1• desired to &.ad 

to the recol·d. e.nother d.eoietcm ot the h.preme Court or tht' United StAte1 

4a~•d Je.nuar1 7, 1936 which 1• cited &• followea Slnith ••· Snow et al 

411 O.G. lo. S , 4.87 ( 1931 ) • 

It is noted that claime 1 - 10 , 12. and 14 - 25 &l'9 con~idered. 

&llOW9.ble. 

Ftnorab•e con11derA.tion 1e requected of tlie new ell\lal 

llmabers 36 to 39 inolueive in the li~ht of 'h• foregoing. 

.. 

William P. Friedman. 

111 

Attorne11