Patent US3109071A successfully refreshed from Google Patents.
US3109071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone call transmitter
Assignee: AT&T Inc
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Filing: 1959-12-18
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Granted: 1963-10-29
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Expires: 1979-12-18
Abstract
No abstract record available.
Inventors
- 👤 Clifford E Mitchell
- 👤 Robert E Prescott
- 👤 Schenker Leo
- 👤 Donald G Tweed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:22
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70; H01H13/72; H01H13/02; H01H13/12; H04; H04M; H04M1/00; H04M1/02; H04M1/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A TELEPHONE SUBSTATION CALLING MECHANISM COMPRISING A FRAME, A GUIDE PLATE OVERLYING AND SPACED FROM SAID FRAME AND INCLUDING A PLURALITY OF APERTURES ARRANGED IN ROWS AND COLUMNS, A PUSHBUTTON MOUNTED FOR MOVEMENT IN EACH APERTURE, AN ARRAY OF ELONGATED MEMBERS IN COLUMNS EXTENDING PARALLEL TO THE COMUMNS OF APERTURES AND POSITIONED BETWEEN SAID FRAME AND GUIDE PLATE, AN ARRAY OF ELONGASTED MEMBERS IN ROWS EXTENDING PARALLEL TO THE ROWS OF APERTURES AND POSITIONED BETWEEN SAID FRAME AND GUIDE PLATE, EACH OF SAID ELONGATED MEMBERS INCLUDING A PLURALITY OF PROJECTIONS ONE EACH EXTENDING INTO THE PATH OF TRAVEL OF A PUSHBUTTON IN A RESPECTIVE ROW OR COLUMN, MEANS MOUNTING SAID ELONGATED MEMBERS FOR ARCUATE MOVEMENT AROUND AN AXIS GENERALLY PARALLEL TO A RESPECTIVE ROW OR COLUMN, SWITCHES, AND AMEANS COUPLING A SWITCH TO EACH ELONGATED MEMBER FOR OPERATION UPON THE ARCUATE MOVEMENT THEREOF.
Claim 2
Dependent Claim
143 words
A TELEPHONE SUBSTATION CALLING MECHANISM COMPRISING A FRAME, A GUIDE PLATE OVERLYING AND SPACED FROM SAID FRAME AND INCLUDING A PLURALITY OF APERTURES ARRANGED IN ROWS AND COLUMNS, A PUSHBUTTON MOUNTED FOR MOVEMENT IN EACH APERTURE, AN ARRAY OF ELONGATED MEMBERS IN COLUMNS EXTENDING PARALLEL TO THE COMUMNS OF APERTURES AND POSITIONED BETWEEN SAID FRAME AND GUIDE PLATE, AN ARRAY OF ELONGASTED MEMBERS IN ROWS EXTENDING PARALLEL TO THE ROWS OF APERTURES AND POSITIONED BETWEEN SAID FRAME AND GUIDE PLATE, EACH OF SAID ELONGATED MEMBERS INCLUDING A PLURALITY OF PROJECTIONS ONE EACH EXTENDING INTO THE PATH OF TRAVEL OF A PUSHBUTTON IN A RESPECTIVE ROW OR COLUMN, MEANS MOUNTING SAID ELONGATED MEMBERS FOR ARCUATE MOVEMENT AROUND AN AXIS GENERALLY PARALLEL TO A RESPECTIVE ROW OR COLUMN, SWITCHES, AND AMEANS COUPLING A SWITCH TO EACH ELONGATED MEMBER FOR OPERATION UPON THE ARCUATE MOVEMENT THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |