US2688924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston pump, in particular with eccentric drive
Assignee: Individual
•
Filing: 1950-03-08
•
Granted: 1954-09-14
•
Expires: 1970-03-08
Abstract
No abstract record available.
Inventors
- 👤 Heinrich K Links
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:20
CPC Classifications
F; F04; F04B; F04B23/00; F04B23/04; F04B23/08; F04B23/10; F04B23/103; F04B1/00; F04B1/04; F04B1/0404; F04B1/0408
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US559324A
Cited
US1854692A
Cited
US1967035A
Cited
US2214922A
Cited
US2294352A
Cited
US2256459A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |