US2602702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injector and pump
Assignee: Individual
•
Filing: 1946-12-20
•
Granted: 1952-07-08
•
Expires: 1966-12-20
Abstract
No abstract record available.
Inventors
- 👤 Kovach Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:49
CPC Classifications
F; F02; F02M; F02M49/00; F02M49/02; F02M59/00; F02M59/02; F02M59/10; F02M59/107; F02M2700/00; F02M2700/13; F02M2700/1317; F02M2700/1341
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR379045A
Cited
US1162789A
Cited
GB179553A
Cited
US1972881A
Cited
US1995469A
Cited
US2052459A
Cited
US2135925A
Cited
US2371787A
Cited
US2385239A
Cited
US2541443A
Cited
US2516691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |