US2319231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power booster
Assignee: Individual
•
Filing: 1941-04-24
•
Granted: 1943-05-18
•
Expires: 1961-04-24
Abstract
No abstract record available.
Inventors
- 👤 Jesse G Hawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:10
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/16; F16D65/18; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/225; F16D55/226; F16D55/2265; F16D2055/0075; F16D2055/0091; F16D2121/00; F16D2121/14; F16D2125/00; F16D2125/18; F16D2125/58; F16D2125/64; F16D2125/66; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18992
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-05-17 | 1946-11-16 | 1947-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-17 | 1950-11-16 | 1951-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-17 | 1954-11-16 | 1955-05-18 | $7700.00 | Window Closed / Lapsed |