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US2643111A
Expired / Lapsed
US
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Single-leaf spring clamp
Assignee: Motors Liquidation Co
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Filing: 1948-07-29
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Granted: 1953-06-23
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Expires: 1968-07-29
Abstract
No abstract record available.
Inventors
- 👤 Robert B Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:21
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/02; B60G11/10; B60G11/113; B60G2204/00; B60G2204/40; B60G2204/43; B60G2204/4306
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US296994A
Cited
US901162A
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FR664516A
Cited
US2052930A
Cited
US2123772A
Cited
GB526407A
Cited
US2211647A
Cited
US2533511A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |