US865964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary engine.
Assignee: FREDERICK G BLEECKER
•
Filing: 1906-03-17
•
Granted: 1907-09-10
•
Expires: 1926-03-17
Abstract
No abstract record available.
Inventors
- 👤 Warren Floyd Bleecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:59
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/10; B06B1/16; B06B1/161; B06B1/162; F; F01; F01C; F01C1/00; F01C1/08; F01C1/12; F01C1/14; F01C1/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1910-09-09 | 1911-03-11 | 1911-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-09-09 | 1915-03-11 | 1915-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-09-09 | 1919-03-11 | 1919-09-10 | $7700.00 | Window Closed / Lapsed |