Patent US2915097A successfully refreshed from Google Patents.
US744342A
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Explosive-engine.
Assignee: Individual
•
Filing: 1903-01-29
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Granted: 1903-11-17
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Expires: 1923-01-29
Abstract
No abstract record available.
Inventors
- 👤 Bernhard G Holz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:36
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/32; F02B75/04; F02B75/048; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32737; Y10T403/32778; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18144; Y10T74/21; Y10T74/2142; Y10T74/2144; Y10T74/2146; Y10T74/2162
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) | 1906-11-16 | 1907-05-18 | 1907-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-11-16 | 1911-05-18 | 1911-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-11-16 | 1915-05-18 | 1915-11-17 | $7700.00 | Window Closed / Lapsed |