US2475313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic control mechanism
Assignee: General Electric Co
•
Filing: 1943-06-28
•
Granted: 1949-07-05
•
Expires: 1963-06-28
Abstract
No abstract record available.
Inventors
- 👤 Glenn G Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:16
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US409457A
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US1411991A
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US1511425A
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US1967851A
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US2179179A
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US2194914A
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US2246074A
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US2270585A
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US2350117A
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US2368628A
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US2405759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-04 | 1953-01-03 | 1953-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-04 | 1957-01-03 | 1957-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-04 | 1961-01-03 | 1961-07-05 | $7700.00 | Window Closed / Lapsed |