US2534408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relieved and filled cylinder surface
Assignee: HARRY M BRAMBERRY JR
•
Filing: 1947-10-17
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Granted: 1950-12-19
•
Expires: 1967-10-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry M Bramberry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:05
CPC Classifications
F; F02; F02B; F02B77/00; F02B77/02; F02F; F02F1/00; F02F1/18; F02F1/20; F05; F05C; F05C2253/00; F05C2253/20; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1082
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) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |