US1001162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined rotary engine and pump.
Assignee: Individual
•
Filing: 1910-06-13
•
Granted: 1911-08-22
•
Expires: 1930-06-13
Abstract
No abstract record available.
Inventors
- 👤 Fred A Parsons
- 👤 John Howard Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:33
CPC Classifications
B; B24; B24B; B24B55/00; F; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F01C1/344
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) | 1914-08-21 | 1915-02-20 | 1915-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-08-21 | 1919-02-20 | 1919-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-08-21 | 1923-02-20 | 1923-08-22 | $7700.00 | Window Closed / Lapsed |