US2962330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston assembly
Assignee: Individual
•
Filing: 1957-05-09
•
Granted: 1960-11-29
•
Expires: 1977-05-09
Abstract
No abstract record available.
Inventors
- 👤 Kohl John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:05
CPC Classifications
F; F16; F16J; F16J1/00; F16J1/005; F16J1/006; F16J1/008; B; B29; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C2045/14459
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1892022A
Cited
US2081040A
Cited
US2199950A
Cited
US2402268A
Cited
US2597829A
Cited
US2615769A
Cited
US2687335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |