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In re application ot 

William 11'. Friedman, 

Serial no. ea2,09e, 

rtled July !5, 1933, 

Crnrtop-rAphic r:ystea 

REF ID:A272736 

IN THE tmrr·1~D STATES PA-:-r:~:T OFFICE 

Div. 53, Room 6897 

Septe!!l.ber 10, 1938. 

Hon. Collllliasioner of Patents, 

Sir: 

The ebove entitled epplicetion stenda under f1n8l rej~ction 

Reconsideration of the final rejection of the method cl~i~s 

26 - 34 ia respectfully requP.sted. In p~rticular it is asked thet cleima 

33 And 34 be gi'f'911 special consideration. These cleims Rre directed to a 

method which include• the step ot 90 controlling the displacements of the 

eiphering elementa es to prevent direct intel"ftction between the Yeying 

cbRrectera And the messar,e chenctera for the purpose or eliminating from 

the final cr;rptogrea aix extn permutations representing the difference 

between the thirty-two pel'llUtPtions ot a plurel unit code such es the 

Bnudot Code end the usual twenty-six cherectera or the Alphabrt or the 

atamerd equi'ftllenta or the Moree CodP.. Adventerea for suchM method are 

diacusaed in the paper dated April 3, 19:34, pages & end 7. 

Attention 18 CAlled to the fact th~t this appl1mition hes 

been placed under the pro~taions ot Section 4894, Revised Statutes, aa 

amended, u.s.c., Title 35, Section 37, Md it ia deai:md th.et the applicetion 

be continued under the provisions of said Section for A furt~r period of 

three yeara, bearing in mind that the three reer period 1'111 expire on 

@'pp roved for Release by NSA on 09-13-2013 pursuantto E .0. 1352a 
REF ID:A272736 e 

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October lg, 1938. Reference 1• mede in this connection to formal 

not1f1cet1on det~d July 22, 1938. 

In further compliance with the requirement• at Section 

4894 and supplemental to the formal request for 1"90onaiderAtion, 

attenUon is celled to the letter filed herewith o-.er the llgnature 

or the Acting Seeretery of War dated September 7, 1938. 

Respectfully submitted, 

William F. Friedmsn, 

By: 

Attorneys 
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REF ID:A272736 

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1111911111 

1IBlRElS I, w1111,. r. l'riedm.D, ~ •ahJ.nctoa, m.nrtet ot 

Columbia, whose addre•• ia Oare ottice of the Chief Stpal Ottioer, 

Munitions Building, Waahington, D. c., ban inffllted a oertaia 1--

provement in cryptographic qeta, tor wbicll I ban -.de u appll•-

ti on tor Letters Patent of the United 8tate1, Serial lo. 682,096, 

filed July 25, 19.33; and 

WHEREAS, the invention was ude whil.e I waa an -.plOJ" et 

the War Department, and pertains to a device uaatul 1a the latioal 

Defense; and 

WHEREAS, the GoTernment of the United State• 1• deairau ~ 

acquirillg the entire right, title and interest ill and to the aid 

invention and in and to an;y pe.tents that m81' 1•8'.1.• thereonJ 

NOW, THEREFORE, in consideration ~ the pr-19a aDd .. 

($1.00) dollar, the reoeipt of which is herelv toblowlecJeed, I, 

Willla.m F. Friedman, have sold, assigned, and tranaterrect, and bf 

these presents do hereby sell, assiin and transfer unto the Oo'ffl'Daftt 

Act~ ___ ... __ _ of the United Statee of .baerica, as represented 1Jr the~ ot 

War, the entire right, title and interest, throughout the United stat.ea 

of America, and the territories and dependencies thereof, and not el.Hwhere, in and to the said invention relati.Jl& to iapronment in 017P'tographic system, as described, claiaed and illwrtrated in the atoreaa.1cl 

application, Serial No. 682,096, and all Letter1 Patent 1•.u.ed thereoa 

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. _______________________________ _ 

•. REF ID:A272736 / 

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1 

ther~; reeerdng to m;rael.f and legal representatives an irrevocable 

and aaaignable license, without p&111ent of r07alt7, laid license to be 

exclusive, except as to manutacture, use and/or aale bJ" or tor the 

United states Government, to make, uae a.Dd/or sell and to license 

others to make use and/or eell the subject matter ot said invention 

relating to improvement 1n Cl'1Ptographic s;rstem, to the tun end of 

the term. or terms tor which Letters Patent or a!J1 divisions, reissues, 

renewals, extenl!lions or continuations thereof are or my- be granted; 

the said entire right, title and interest to be held bf the GovermDellt 

ot the United States of America, as represented by the Secretary of War 

and his successors in office, to the full end of tM term or terms for 

which said Letters Patent and aey divisions, reissues, renewals or extensions thereof are or may be granted, as f~ and entirely as the 

eame would have been held by me bad this assignment and ae.le not been 

ma.de. 

Sworn to and subscribed by the said William F. Priedman 

before me this J j /Z dq or September, 19.36. 

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lot6.ry Public -; : 0 , . ~ ~·' 

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