US1506862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Governor for fluid-actuated rotary tools
Assignee: Ingersoll Rand Co
•
Filing: 1921-09-03
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Granted: 1924-09-02
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Expires: 1941-09-03
Abstract
No abstract record available.
Inventors
- 👤 Frederick W Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:08
CPC Classifications
B; B24; B24B; B24B55/00; B23; B23B; B23B45/00; B23B45/04; F; F01; F01B; F01B25/00; F01B25/02; F01B25/14; Y; Y10; Y10T; Y10T137/00; Y10T137/0971; Y10T137/108
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) | 1927-09-02 | 1928-03-03 | 1928-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-09-02 | 1932-03-03 | 1932-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-09-02 | 1936-03-03 | 1936-09-02 | $7700.00 | Window Closed / Lapsed |