Patent US704913A successfully refreshed from Google Patents.
US704913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary engine.
Assignee: Individual
•
Filing: 1902-01-11
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Granted: 1902-07-15
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Expires: 1922-01-11
Abstract
No abstract record available.
Inventors
- 👤 Frederic Albert Palle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:46
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F01C21/0881
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) | 1905-07-14 | 1906-01-13 | 1906-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-07-14 | 1910-01-13 | 1910-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-07-14 | 1914-01-13 | 1914-07-15 | $7700.00 | Window Closed / Lapsed |