US2853023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid energy translating apparatuses
Assignee: American Brake Shoe Co
•
Filing: 1955-08-12
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Granted: 1958-09-23
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Expires: 1975-08-12
Abstract
No abstract record available.
Inventors
- 👤 John R English
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:14
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/06; F04C2/00; F04C2/30; F04C2/34; F04C2/344; F04C2/3441; F04C2/3442
Claims Analysis
Total Claims: 0
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US2677330A
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US2746392A
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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) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |