US3519115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Escapement mechanism responsive to the return portion of a reciprocal rotary motion
Assignee: Singer Co
•
Filing: 1967-09-11
•
Granted: 1970-07-07
•
Expires: 1987-09-11
Abstract
No abstract record available.
Inventors
- 👤 Henry E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:12
CPC Classifications
B; B41; B41J; B41J19/00; B41J19/18; B41J19/34; B41J19/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3126998A
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US2065629A
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US2741355A
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US2818958A
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US3059751A
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US3232405A
Cited
US3211269A
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US3409112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-06 | 1974-01-05 | 1974-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-06 | 1978-01-05 | 1978-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-06 | 1982-01-05 | 1982-07-07 | $7700.00 | Window Closed / Lapsed |