Patent US2145086A successfully refreshed from Google Patents.
US2145086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Governor
Assignee: Individual
•
Filing: 1934-05-21
•
Granted: 1939-01-24
•
Expires: 1954-05-21
Abstract
No abstract record available.
Inventors
- 👤 Addison C Hoof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:48
CPC Classifications
F; F02; F02D; F02D9/00; F02D9/02; F02D2009/0201; F02D2009/0215; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7748; Y10T137/7753
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) | 1942-01-23 | 1942-07-25 | 1943-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-01-23 | 1946-07-25 | 1947-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-01-23 | 1950-07-25 | 1951-01-24 | $7700.00 | Window Closed / Lapsed |