US1401911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel-spraying nozzle for internal-combustion engines
Assignee: Individual
•
Filing: 1920-07-08
•
Granted: 1921-12-27
•
Expires: 1940-07-08
Abstract
No abstract record available.
Inventors
- 👤 Keller Karl Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:13
CPC Classifications
F; F02; F02M; F02M53/00; F02M53/04; F02M53/043; F02M61/00; F02M61/16; F02M61/18; F02M2700/00; F02M2700/07; F02M2700/077; Y; Y10; Y10S; Y10S261/00; Y10S261/39
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) | 1924-12-26 | 1925-06-27 | 1925-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-12-26 | 1929-06-27 | 1929-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-12-26 | 1933-06-27 | 1933-12-27 | $7700.00 | Window Closed / Lapsed |