US2374639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil temperature control valve
Assignee: Glenn L Martin Co
•
Filing: 1941-10-07
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Granted: 1945-04-24
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Expires: 1961-10-07
Abstract
No abstract record available.
Inventors
- 👤 Leslie T Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:17
CPC Classifications
F; F16; F16N; F16N39/00; G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/132; G05D23/1333
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-04-23 | 1948-10-23 | 1949-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-04-23 | 1952-10-23 | 1953-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-04-23 | 1956-10-23 | 1957-04-24 | $7700.00 | Window Closed / Lapsed |