US2957541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile mechanic's appliance
Assignee: Individual
•
Filing: 1957-12-19
•
Granted: 1960-10-25
•
Expires: 1977-12-19
Abstract
No abstract record available.
Inventors
- 👤 Edward A Everest
- 👤 Edwin A Hudgpeth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:04
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/02; E06C1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US434462A
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US818268A
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US2378678A
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US2488633A
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US2481595A
Cited
US2599192A
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US2701168A
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US2760707A
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US2851312A
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US2852785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |