Patent US1625205A successfully refreshed from Google Patents.
US1625205A
Expired / Lapsed
US
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Internal-combustion engine
Assignee: Individual
•
Filing: 1925-07-03
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Granted: 1927-04-19
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Expires: 1945-07-03
Abstract
No abstract record available.
Inventors
- 👤 William F Grumme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:00
CPC Classifications
F; F02; F02B; F02B47/00; F02B47/02; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1930-04-18 | 1930-10-18 | 1931-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-04-18 | 1934-10-18 | 1935-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-04-18 | 1938-10-18 | 1939-04-19 | $7700.00 | Window Closed / Lapsed |