Patent US2604197A successfully refreshed from Google Patents.
US2604197A
Expired / Lapsed
US
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Automatic fluid pressure transmission
Assignee: Individual
•
Filing: 1946-08-30
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Granted: 1952-07-22
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Expires: 1966-08-30
Abstract
No abstract record available.
Inventors
- 👤 William T Livermore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:34
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H61/0265; F16H61/0267; F16H61/0269; F16H2306/00; F16H61/68; F16H61/684; F16H61/688; Y; Y10; Y10S; Y10S74/00; Y10S74/01; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19228; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19265; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19433
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-22 | 1956-01-21 | 1956-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-22 | 1960-01-21 | 1960-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-22 | 1964-01-21 | 1964-07-22 | $7700.00 | Window Closed / Lapsed |