US868978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive-engine.
Assignee: Individual
•
Filing: 1906-02-27
•
Granted: 1907-10-22
•
Expires: 1926-02-27
Abstract
No abstract record available.
Inventors
- 👤 Martin Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:43
CPC Classifications
F; F01; F01L; F01L3/00; F01L3/08; F01L3/085; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6525; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7932
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) | 1910-10-21 | 1911-04-22 | 1911-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-10-21 | 1915-04-22 | 1915-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-10-21 | 1919-04-22 | 1919-10-22 | $7700.00 | Window Closed / Lapsed |