US3254741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical escapement apparatus
Assignee: Individual
•
Filing: 1963-07-18
•
Granted: 1966-06-07
•
Expires: 1983-07-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Howard M Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:29
CPC Classifications
G; G04; G04B; G04B15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A MECHANICAL ESCAPEMENT COMPRISING: A FIRST DRIVE ELEMENT; A CONTAINER MEANS AFFIXED TO SAID FIRST DRIVE ELEMENT; A QUANTITY OV VISCOUS DAMPING PUTTY CONTAINED IN SAID CONTAINER MEANS; A SECOND DRIVE ELEMENT ENGAGING SAID DAMPING PUTTY; MEANS FOR APPLYING A TORQUE BETWEEN SAID FIRST DRIVE ELEMENT AND SAID SECOND DRIVE ELEMENT; AND MEANS FOR VARYING THE DEGREE OF COUPLING BETWEEN SAID FIRST DRIVE ELEMENT AND SAID SECOND DRIVE ELEMENT ACCOMPLISHED THROUGH SAID DAMPING PUTTY INCLUDING A TEMPERATURE RESPONSIVE MEANS FOR RETRACTING SAID DAMPING PUTTY FROM SAID CONTAINER MEANS UPON DE-
Claim 2
Dependent Claim
90 words
A MECHANICAL ESCAPEMENT COMPRISING: A FIRST DRIVE ELEMENT; A CONTAINER MEANS AFFIXED TO SAID FIRST DRIVE ELEMENT; A QUANTITY OV VISCOUS DAMPING PUTTY CONTAINED IN SAID CONTAINER MEANS; A SECOND DRIVE ELEMENT ENGAGING SAID DAMPING PUTTY; MEANS FOR APPLYING A TORQUE BETWEEN SAID FIRST DRIVE ELEMENT AND SAID SECOND DRIVE ELEMENT; AND MEANS FOR VARYING THE DEGREE OF COUPLING BETWEEN SAID FIRST DRIVE ELEMENT AND SAID SECOND DRIVE ELEMENT ACCOMPLISHED THROUGH SAID DAMPING PUTTY INCLUDING A TEMPERATURE RESPONSIVE MEANS FOR RETRACTING SAID DAMPING PUTTY FROM SAID CONTAINER MEANS UPON DE-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |