Patent US1278738A successfully refreshed from Google Patents.
Patent US1100347A successfully refreshed from Google Patents.
US1100347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine.
Assignee: Vickers Ltd
•
Filing: 1913-04-19
•
Granted: 1914-06-16
•
Expires: 1933-04-19
Abstract
No abstract record available.
Inventors
- 👤 Gabriel Bourcier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:31
CPC Classifications
F; F02; F02B; F02B57/00; F02B57/08; F02B75/00; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/184; F02B2075/1856; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2142; Y10T74/2151
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1917-06-15 | 1917-12-15 | 1918-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-06-15 | 1921-12-15 | 1922-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-06-15 | 1925-12-15 | 1926-06-16 | $7700.00 | Window Closed / Lapsed |