US2624644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve actuating mechanism
Assignee: Crane Co
•
Filing: 1947-07-31
•
Granted: 1953-01-06
•
Expires: 1967-07-31
Abstract
No abstract record available.
Inventors
- 👤 Corwin W Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:03
CPC Classifications
F; F16; F16K; F16K27/00; F16K27/08; F16C; F16C19/00; F16C19/02; F16C19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US695838A
Cited
GB190208314A
Cited
US1394110A
Cited
GB197861A
Cited
US1753276A
Cited
US1777115A
Cited
US1905039A
Cited
US1905079A
Cited
US2194262A
Cited
US2315574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-06 | 1956-07-07 | 1957-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-06 | 1960-07-07 | 1961-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-06 | 1964-07-07 | 1965-01-06 | $7700.00 | Window Closed / Lapsed |