US2645513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder construction
Assignee: Individual
•
Filing: 1949-07-29
•
Granted: 1953-07-14
•
Expires: 1969-07-29
Abstract
No abstract record available.
Inventors
- 👤 Vance C Sterrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:32
CPC Classifications
F; F16; F16J; F16J10/00; F16J10/02; F01; F01B; F01B17/00; F01B17/02; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US170155A
Cited
US360663A
Cited
US1464386A
Cited
US2403368A
Cited
US2414529A
Cited
US2436407A
Cited
US2552098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |