US1922701A - Telephone system - Google Patents

Telephone system Download PDF

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Publication number
US1922701A
US1922701A US171687A US17168717A US1922701A US 1922701 A US1922701 A US 1922701A US 171687 A US171687 A US 171687A US 17168717 A US17168717 A US 17168717A US 1922701 A US1922701 A US 1922701A
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US
United States
Prior art keywords
telephone system
sheets
sheet
aug
friendly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US171687A
Inventor
Milton S Friendly
Centrel Republle Bank A Compan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US171687A priority Critical patent/US1922701A/en
Application granted granted Critical
Publication of US1922701A publication Critical patent/US1922701A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements

Definitions

  • H. M FRIENDLY 1,922,701'l 'TELEPHONE SYSTEM Filed May 2l, 1917 23 Sheets-Sheet 10 IIIIIILII IHIIIIIHIIIIHI IIIIIIIIHIIIHHI IIIIIIIIIIIII NVE NTOR RLsEfrRK.

Description

Aug. 15, 1933- H. M. FRIENIDLYv TELEPHONE SYSTEM 23 Sheets-Sheet l1 Filed May 2l, 1917 LPL mz3 ff uz: m E m f, 1 n A'. .N; N@ m @E N .L @L EMM I ldd?, urz.. Y m( mZT Lv v E .uuo uli; km
Aug. 15, 1933. H. M FRIENDLY TELEPHONE SYSTEM Filed May 2l. 1917 25 Sheets-Sheet 2 f II Il Il Il Il Il Il. Il Il Ahn vvv
Aug. 15, 1933. .H M, F'RlENDLY 1,922,701
TELEPHONE SYSTEM Filed May 2l, 1917 23 Sheets-Sheet 3 IHIIIIIIHIIIHIHI IIIIIIIIIIIIIIIII INVEHTOR;
ug. 15, 1933. H M FRlENDLY I 1,922,701
TELEPHONE SYSTEM l Filed May 21, 1917 25 sheets-sheet 4 "nu "nun" unumlnnng nnnnnunlgl A 'U 0 INVENTOR:
msn. TRK
ausw .GRD.
RLSE. SIGA.
Allg, 15, 1933. H Mk FRIENDLY 1,922,701
TELEPHONE SYSTEM Filed May 2l, 1917 23 Sheets-Sheet 5 ll ll ll ll llll ll lo Il Il llll ll ll ll llall ll ll ll ll ll llllllll IHVENTORI BUSY .G RD..
RLSE. TR K.
Amige 15, 1933., H M FRIENDLY v l922,70l
TELEPHONE SYSTEM Filed May 2l, 1917 23 SheeS--SheeiI 6 INVENTGR:
RLSEJRK..
RLSE.. SIG.
Allg. l5, 1933. H. M FRIENDLY 11,922,701 I TELEPHONE SYSTEM Filed May 21,1917 23 Sheets-Sheet 7 IIHIIIHIIIIIIIII Hlllllll IHIHIIIIIIIIUI IIIHIIHI II Il ll Il Il Il Il H H Il Il H II Il Il Il Il Il H Il Il INVENTOR= RLSE. SIG.
H. M. FRIENDLY TELEPHONE SYSTEM Aug. 15, 1933.
Filed May 2l, 1917 25 Sheets-Sheet 8 II ll ll Il Il Il Il Il-l Il IIIIIIIIIHIIIII llllllllllillllllw.
Aug. 15, 1933. H. M FRIENDLY TELEPHONE SYSTEM Filed May 2l, 1917 23 Sheets-Sheet 9 II'II il Il H Il Il Il Il Il Il H Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il Il UM-ry fr@ Aug.-15,1933. H. M FRIENDLY 1,922,701'l 'TELEPHONE SYSTEM Filed May 2l, 1917 23 Sheets-Sheet 10 IIIIIILII IHIIIIIHIIIIHI IIIIIIIIHIIIHHI IIIIIIIIIIIIIIII NVE NTOR= RLsEfrRK.
RLSE. als.
BUSY 8 GRD.
SURSIG LINE Aug- 15, 1933. H. M. FRIENDLY TELEPHONE SYSTEM Filed May 2l, 1917 23 Sheets-Sheet ll Il II Il Il Il Il Ii II Il Il Il Il II Il Il Il Il INVENTOR:
IIIIIII IVIIIINIIIIIIIIIH IIIIIIIHIIHHIH .gw faQ@ Aug. 15, 1933. H. 1M. FRIENDLY TELEPHONE SYSTEM Filed May 2l, 1917 23 Sheets-Sheet l2 IIIHIII sNvENToR: 4V/ M, 2W/7;
Il li II Il II Il Il I! Ill Il H il Il Il Il Il II H H Il H Il il Allg- 15, 1933- H. M. FRIENDLY 1,922,701
TELEPHONE SYSTEM Filed May 21, 1917 251 sheets-sheet 13 HHHIMIIHI iNvENToR= Allg. 15, 1933. H M FRlENDLY 1,922,701
TELEPHONE SYSTEM Filed May 2l, 1917 23 Sheets-Sheet 14 Il Il Il Il Il H II Il Il H Il Il H Il Il Il Il Il Il Il Il Il Il Il Il I Il NVENTORI f MM SUPY. REL.+I`1.5.
RLSESNS.
BUSY GRD.
Aug 15 1933# H. M. FRIENDLY 1,922,701
TELEPHONE SYSTEM Filed May 2l, 1917 23 Sheets-Sheet l5 IIIIIIIII I'q. I9.
A INVENTOR:
R L5 E TR K.
INT. START.
BU SY -r-UHE Aug. 15 1933. H. M, FRENDLY 1,922,701-
TELEPHONE SYSTEM Filed May 2l, 1917 23 Sheets-Sheet 16 HIIIHIIHIII 3 IIIIIIIIIIIIIHHIII JINIIIIIIIIIIIIIII lili NU N H. M. FRIENDLY TELEPHONE SYSTEM Aug. 15, 1933.
Filed May 2l, 1917 2:5 Sheets-Sheei 17 Aug. 15, 1933. H, MFRIENDLY TELEPHONE SYSTEM Filed May 2l, 1917 23 Sheets-Sheet 18 .NN .L
"Il IHI Illlllll II IHIIHIII I ll lill Illlll llllllll NVEN TORI .rtb @15.51
Aug.15,1933. HMFRIENDLY l1,922,701
TELEPHONE SYSTEM Allg 15, 1933- H. M. FRIENDLY I 1,922,701
TELEPHONE SYSTEM
US171687A 1917-05-21 1917-05-21 Telephone system Expired - Lifetime US1922701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US171687A US1922701A (en) 1917-05-21 1917-05-21 Telephone system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US171687A US1922701A (en) 1917-05-21 1917-05-21 Telephone system

Publications (1)

Publication Number Publication Date
US1922701A true US1922701A (en) 1933-08-15

Family

ID=22624754

Family Applications (1)

Application Number Title Priority Date Filing Date
US171687A Expired - Lifetime US1922701A (en) 1917-05-21 1917-05-21 Telephone system

Country Status (1)

Country Link
US (1) US1922701A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481851A (en) * 1946-09-05 1949-09-13 Automatic Elect Lab Selector switch for automatic telephones

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2481851A (en) * 1946-09-05 1949-09-13 Automatic Elect Lab Selector switch for automatic telephones

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