I I • REF ID:A67791 I 

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IN RD'l..Y llllPllR 'l'O WAR DEPARTMENT I I OFFICE OF THE CHIEF SIGNAL OFFICER 

WASHINGTON 

Subject: Patent Application, Ser. No. 36,868 

April 12, 1939. 

'l'o: 

Electrical Switching Mechanism 

Mr. William F. Friedman encl 

Mr. Frank B. Rowlett, 

Intelligence Section, 

War Plana and Training Division, 

Office of the Chief Signal Otf'icer. 

f. Reference is made to phone conversation ot this data 

wherein Mr. Frieclman confirmed the request previously made that thl.a 

case be amended for allowance. 

'2. Pursuant to a personal interview with the Examiner in charge 

ot the case, in which be agreed to allow claim 12, subject to slight amend-

.men t 1 this is to report that an amendment bas been prepared 1n accordance 

with tbs understanding to put this case in condition :tor allonnce. Cow 

in duplicate of tbs amendment is enclosed tor your files and it will be 

noted that the amendment is dated and tiled 1n tbe Patent Office as of todBJ"'S 

date. It is expected that the application will go to issue in regular course 

end further developments will be reported es the circumstances J11B7 require. 

Encl. 

Charles A. Rowe, 

PatQts Section, Signal Corps 

@'pp roved for Release by NSA on 09-05-2013 pursuantto E .0. 1352a 1 
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ln. re a,pl1ca\1on ol' 

REF ID:A67791 

' lfilliea v. Friedman et al., 

Seria 1 No. 3e.eee, 

!1le4 Aug. 199 193&, 

llsctrical Switching Meehantaa 

B.on. CODDiasion.er of Paten~•. 

Sir; 

Di '1'. 3'11 Rooa 598&-B 

11"lle otriciel communtcet1on ot II.arch ~1. 19~9 ia }Jereby 

e.cknowleilead. . . 

Reterenc• ia mede to en iatentew with the ~eminer 1a 

'' 

charge of tbie ~aae Ulldcr do.te of April 11, 193\l, tba courtesy ot which 1• 

JJe:reby acknowledged. 

Tbe ~laiu.s rema:ll11.ng 1n tbe cae• 8l'e 84\llVen.toen :\n nwnbe:r. 

as ~tatl'd 1:b the seC1Jnd p""ragraph of $he Of''tie1el Le\to:r. I't 1a aoted t.ba\ 

cla1u e t1'.ro"Uch 11, 14:, 16 and 17 ( nine in n.Wlber ) are indica'ted ae aUowable. 

With 1iile exce1~t1on of cldLl 12, diacwsseci et tile intenlew1 

cltims l:!,. enc.l el~ft"ls 18 to 2S 1nclu.1ift are witbdran without preju41ce in 

oder to ~edi te the allowance of tlli.t: cage. 

~ith special reference to claim l2t 11n~s n and 61 nancel 

" to ettect 1'6.ndam J>f!l:rnttPt1ona or· tbe circuit connections '' • The coma ie 

.retain-ad -e,nc;l .Saould no"' be :!,!laced at"ter "devi cea " in line 5. tt"ns 

is tirectaely o.s aereed ul)On et tae interview amd to7orable rec~nsidoration 

ot claiJa 12 aa amended is eourteouel7 requested. 
• REF ID:A67791 

' ' 

IA ~?le i-eod3u•nt Qf tile Oit<llnal• ot tbe allowet olaiMt, 1 t Sa 

ftQ.UeJ.Jtel t~et tlle or4:laal8 Of Clair.a I, '• 8• t, 10, 111 eu., '9 lll&bertd 

s.a •queaae aa 1, a. s, '• o, &, •to. I' wtll be noted tb.Bt •~•at olelma 

a and 9 sre Jepen4Ant on present clnin 9. ~*be:rtttore, 1n tne ~ea4jua'1Deat 

ot the orcU.aala tor- pr1ntlag, 1 t •lU be note& '~' pre•n\ olalll ' •111 

beeome claim a 1JJ1d in llu 1 ot F•uat olalll a, .. ,., ahou14 be ~4 

to ... .. a • • end •tm:tlarlT in line 1 ot pneeot olela o, .,. abou14 • 

Obanced to. w • I• • • It l• understooa tha1i tbe remain1ng all()wl elaS. 

' 

not actually aen tionel •111 ise.... t~t.i: onllnela aa3uatd ia tMqUeaoe. 

Di• applloa,ion ahou14 now be toutJ4 in condlttoa tor tainae u4 

Attone~ 

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