US2843152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined valve actuating and locking means
Assignee: Crane Co
•
Filing: 1954-12-01
•
Granted: 1958-07-15
•
Expires: 1974-12-01
Abstract
No abstract record available.
Inventors
- 👤 Hubert C Laird
- 👤 Kurt E B Bredtschneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:33
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/16; F16K3/18; F16K3/184; F16K3/186; Y; Y10; Y10T; Y10T137/00; Y10T137/8811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1587245A
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US1898935A
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US2002780A
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US2249848A
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US2258335A
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US2523826A
Cited
US2478811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |