US3176309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tachographs
Assignee: Zenith SA
•
Filing: 1962-03-15
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Granted: 1965-03-30
•
Expires: 1982-03-15
Abstract
No abstract record available.
Inventors
- 👤 Chatelain Oscar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:03
CPC Classifications
G; G07; G07C; G07C5/00; G07C5/08; G07C5/12; G01; G01P; G01P1/00; G01P1/12; G01P1/122; G01P1/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A TACHOGRAPH FOR A VEHICLE, AT LEAST ONE RECORDING MEMBER, A PLURALITY OF ANNULAR DISCS ALIKE IN CONFIGURATION DISPOSED IN OPERATION OF THE TACHOGRAPH IN A STACKED CONDITION AND ROTATIONALLY DRIVEN FOR RECORDING THEREON WITH SAID RECORDING MEMBER ON THE INDIVIDUAL DISCS SUCCESSIVELY, EACH OF SAID DISCS HAVING A RADIAL SLOT AND A RADIAL PROJECTION EXTENDING INWARDLY AND MADE OF A MATERIAL WHICH IS CRUSHABLE AND TEARABLE, ROTARY DRIVEN SLEEVE MEANS HAVING RECESSES ENGAGEABLE WITH THE INDIVIDUAL RADIAL PROJECTIONS ON SAID DISCS FOR ROTATIONALLY DRIVING THE DISCS WITHOUT INTERCONNECTION WITH EACH OTHER AND DISPOSED IN A STACKED CONDITION WITH THE SLOTS OF THE SUCCESSIVE DISCS BEING DISPOSED SUBSTANTIALLY DEFINING A
Claim 2
Dependent Claim
111 words
IN A TACHOGRAPH FOR A VEHICLE, AT LEAST ONE RECORDING MEMBER, A PLURALITY OF ANNULAR DISCS ALIKE IN CONFIGURATION DISPOSED IN OPERATION OF THE TACHOGRAPH IN A STACKED CONDITION AND ROTATIONALLY DRIVEN FOR RECORDING THEREON WITH SAID RECORDING MEMBER ON THE INDIVIDUAL DISCS SUCCESSIVELY, EACH OF SAID DISCS HAVING A RADIAL SLOT AND A RADIAL PROJECTION EXTENDING INWARDLY AND MADE OF A MATERIAL WHICH IS CRUSHABLE AND TEARABLE, ROTARY DRIVEN SLEEVE MEANS HAVING RECESSES ENGAGEABLE WITH THE INDIVIDUAL RADIAL PROJECTIONS ON SAID DISCS FOR ROTATIONALLY DRIVING THE DISCS WITHOUT INTERCONNECTION WITH EACH OTHER AND DISPOSED IN A STACKED CONDITION WITH THE SLOTS OF THE SUCCESSIVE DISCS BEING DISPOSED SUBSTANTIALLY DEFINING A
References Cited (Backward Citations)
US2739031A
Cited
US2938760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |