Patent US2957456A successfully refreshed from Google Patents.
US2957456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grease device
Assignee: Motors Liquidation Co
•
Filing: 1957-09-16
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Granted: 1960-10-25
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Expires: 1977-09-16
Abstract
No abstract record available.
Inventors
- 👤 Harold E Schultze
- 👤 Lawrence L Evert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:04
CPC Classifications
F; F16; F16N; F16N21/00; F16N21/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1565913A
Cited
US1753849A
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US1878115A
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US1857940A
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US2059629A
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US2361866A
Cited
FR915736A
Cited
US2438776A
Cited
FR998160A
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 |