US3355558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push-button actuated switches for dial telephone stations
Assignee: Siemens and Halske AG
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Filing: 1965-07-26
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Granted: 1967-11-28
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Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Geese Albert
- 👤 Awakowicz Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:50
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/23; H01; H01H; H01H13/00; H01H13/70; H01H13/72; H04M1/26; H04M1/515; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20238
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A PUSH-BUTTON OPERATED DIAL TELEPHONE SIGNALLING APPARATUS INCLUDING LINKS SHIFTABLE IN OPPOSITE DIRECTIONS FROM A CENTER REST POSITION BY ACTUATION OF DIFFERENT PUSH BUTTONS AND INCLUDING A PAIR OF CONTACT SETS FOR EACH LINK RESPECTIVELY TRANSLATED TO OPERATIVE FROM INOPERATIVE POSITIONS BY MOVEMENT OF THE LINK IN SAID DIFFERENT DIRECTIONS, AND A SINGLE ACTUATING ELEMENT ATTACHED TO ONE END OF EACH SAID LINK AND EXTENDING INTO A POSITION BETWEEN THE ASSOCIATED PAIR OF CONTACT SETS, SAID PAIR OF CONTACT SETS BEING MOUNTED TOGETHER AT ONE SIDE OF THE APPARATUS.
Claim 2
Dependent Claim
90 words
IN A PUSH-BUTTON OPERATED DIAL TELEPHONE SIGNALLING APPARATUS INCLUDING LINKS SHIFTABLE IN OPPOSITE DIRECTIONS FROM A CENTER REST POSITION BY ACTUATION OF DIFFERENT PUSH BUTTONS AND INCLUDING A PAIR OF CONTACT SETS FOR EACH LINK RESPECTIVELY TRANSLATED TO OPERATIVE FROM INOPERATIVE POSITIONS BY MOVEMENT OF THE LINK IN SAID DIFFERENT DIRECTIONS, AND A SINGLE ACTUATING ELEMENT ATTACHED TO ONE END OF EACH SAID LINK AND EXTENDING INTO A POSITION BETWEEN THE ASSOCIATED PAIR OF CONTACT SETS, SAID PAIR OF CONTACT SETS BEING MOUNTED TOGETHER AT ONE SIDE OF THE APPARATUS.
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) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |