US671236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam-generating explosion-engine.
Assignee: Individual
•
Filing: 1900-02-26
•
Granted: 1901-04-02
•
Expires: 1920-02-26
Abstract
No abstract record available.
Inventors
- 👤 Louis Renault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:50
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/04; F01N3/043
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) | 1904-04-01 | 1904-10-01 | 1905-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-04-01 | 1908-10-01 | 1909-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-04-01 | 1912-10-01 | 1913-04-02 | $7700.00 | Window Closed / Lapsed |