US1684074A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection device for internal-combustion engines
Assignee: Busch Sulzer Bros Diesel Engine Co
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Filing: 1925-05-19
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Granted: 1928-09-11
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Expires: 1945-05-19
Abstract
No abstract record available.
Inventors
- 👤 Schaeren Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:14
CPC Classifications
F; F02; F02B; F02B19/00; F02B19/14; F02B19/10; F02B19/1019; F02B19/108; 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) | 1931-09-11 | 1932-03-12 | 1932-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-09-11 | 1936-03-12 | 1936-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-09-11 | 1940-03-12 | 1940-09-11 | $7700.00 | Window Closed / Lapsed |