US2775231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic control apparatus
Assignee: Garrett Corp
•
Filing: 1952-08-25
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Granted: 1956-12-25
•
Expires: 1972-08-25
Abstract
No abstract record available.
Inventors
- 👤 Silver Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:31
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/166; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/2452
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2053797A
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US1776741A
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US1953110A
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US2178864A
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FR859350A
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US2564263A
Cited
US2570624A
Cited
US2544427A
Cited
US2641105A
Cited
US2645240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |