US1917054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary motor
Assignee: Independent Pneumatic Tool Co
•
Filing: 1929-11-11
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Granted: 1933-07-04
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Expires: 1949-11-11
Abstract
No abstract record available.
Inventors
- 👤 Reinhold A Norling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:13
CPC Classifications
F; F01; F01C; F01C20/00; F01B; F01B25/00; F01B25/02; F01B25/14
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) | 1936-07-03 | 1937-01-02 | 1937-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-07-03 | 1941-01-02 | 1941-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-07-03 | 1945-01-02 | 1945-07-04 | $7700.00 | Window Closed / Lapsed |