Patent US2456793A successfully refreshed from Google Patents.
US2456793A
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Safety retaining device for pivotal joints
Assignee: Individual
•
Filing: 1944-10-20
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Granted: 1948-12-21
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Expires: 1964-10-20
Abstract
No abstract record available.
Inventors
- 👤 Reed George Frederick
- 👤 Gould William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:08
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0619; B; B62; B62D; B62D7/00; B62D7/16; F16B; F16B2200/00; F16B2200/69; F16C2326/00; F16C2326/20; F16C2326/24; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1642063A
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US1854925A
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US1833932A
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US1866512A
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US1866520A
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US1921141A
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GB505307A
Cited
US2208325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-21 | 1952-06-21 | 1952-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-21 | 1956-06-21 | 1956-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-21 | 1960-06-21 | 1960-12-21 | $7700.00 | Window Closed / Lapsed |