US2874009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trunk piston
Assignee: STERLING ALUMINUM PRODUCTS Inc
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Filing: 1955-07-11
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Granted: 1959-02-17
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Expires: 1975-07-11
Abstract
No abstract record available.
Inventors
- 👤 William F Peterson
- 👤 William M Venner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:35
CPC Classifications
F; F02; F02F; F02F3/00; F02F3/02; F02F3/04; F02F3/08; F05; F05C; F05C2201/00; F05C2201/02; F05C2201/021; F05C2201/04; F05C2201/0433; F05C2201/0448
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |