US2485113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isobaric control valve
Assignee: Garrett Corp
•
Filing: 1945-09-04
•
Granted: 1949-10-18
•
Expires: 1965-09-04
Abstract
No abstract record available.
Inventors
- 👤 Herman P Roth
- 👤 Warstler Walter Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:31
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/02; B64D13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7833
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR679306A
Cited
US2258054A
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US2449231A
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US2366146A
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US2396116A
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US2419707A
Cited
US2407258A
Cited
US2399326A
Cited
US2393343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |