US2867020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety unit
Assignee: WILLIAM JAKOBER
•
Filing: 1953-11-13
•
Granted: 1959-01-06
•
Expires: 1973-11-13
Abstract
No abstract record available.
Inventors
- 👤 Lefebvre Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:02
CPC Classifications
F; F16; F16P; F16P7/00; F16G; F16G11/00; F16G11/10; F16G11/101; F16G11/105; F16G11/106; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3936; Y10T24/394; Y10T24/3947; Y10T24/44; Y10T24/44291; Y10T24/44368
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US826727A
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US940512A
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US1362140A
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US1590160A
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US1619846A
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US1809656A
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US2080700A
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US2190661A
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US2272494A
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US2462141A
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US2470941A
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US2493331A
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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) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |