US1633541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal-combustion engine
Assignee: FIRM FRIEDRICH DECKEL PRAZISIO
•
Filing: 1926-01-06
•
Granted: 1927-06-21
•
Expires: 1946-01-06
Abstract
No abstract record available.
Inventors
- 👤 Braren Lorenz Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:23
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/16; F02M61/18; F02M61/1806; F02M61/184; F02B; F02B19/00; F02B19/14; F02B23/00; F02B23/02; F02B23/06; F02B23/0618; F02B23/063; F02B23/0645; F02B23/0648; F02B23/0651; F02B23/0672; F02B2275/00; F02B2275/14; F02B3/00; F02B3/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1930-06-20 | 1930-12-20 | 1931-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-06-20 | 1934-12-20 | 1935-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-06-20 | 1938-12-20 | 1939-06-21 | $7700.00 | Window Closed / Lapsed |