US2882915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifugal hydraulic governor
Assignee: Individual
•
Filing: 1949-09-30
•
Granted: 1959-04-21
•
Expires: 1969-09-30
Abstract
No abstract record available.
Inventors
- 👤 Rex C Darnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:22
CPC Classifications
G; G05; G05D; G05D13/00; G05D13/02; G05D13/06; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/1044; Y10T137/108; Y10T137/1135; Y10T137/1171
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) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |