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Patent US2496869A successfully refreshed from Google Patents.
US2496869A
Expired / Lapsed
US
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Joint construction
Assignee: Columbus Auto Parts Co
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Filing: 1944-07-31
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Granted: 1950-02-07
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Expires: 1964-07-31
Abstract
No abstract record available.
Inventors
- 👤 William A Flumerfelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:05
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0619; F16C11/0623; F16C11/0628; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32737; Y10T403/32762
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1031982A
Cited
US1050422A
Cited
US1891804A
Cited
US2108814A
Cited
US2205981A
Cited
US2240432A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |