US2923153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure ratio measuring instrument
Assignee: Garrett Corp
•
Filing: 1954-01-11
•
Granted: 1960-02-02
•
Expires: 1974-01-11
Abstract
No abstract record available.
Inventors
- 👤 Sydney E Westman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:33
CPC Classifications
G; G01; G01L; G01L11/00; G01L11/004; G01L15/00; G01L5/00; G01L5/18; G01P; G01P5/00; G01P5/14; G01P5/16; G01P5/17; G01P5/175
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1287860A
Cited
US2034909A
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US2441468A
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US2487310A
Cited
US2598681A
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US2599288A
Cited
US2665499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |