Patent US4861760A successfully refreshed from Google Patents.
Patent US2796032A successfully refreshed from Google Patents.
US2796032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston pumps
Assignee: Torkret GmbH
•
Filing: 1953-09-29
•
Granted: 1957-06-18
•
Expires: 1973-09-29
Abstract
No abstract record available.
Inventors
- 👤 Ballert Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:26
CPC Classifications
F; F04; F04B; F04B9/00; F04B9/08; F04B9/10; F04B9/109; F04B9/111; F04B9/115; F01; F01L; F01L25/00; F01L25/02; F01L25/04; F01L25/06; F01L25/063; F04B19/00; F04B19/02; F04B19/027; F04B7/00; F04B7/0019; F04B7/0026; F04B7/003; F04B7/0042; F04B7/0046; F04B7/008; F04B9/02; F04B9/06; Y; Y10; Y10S; Y10S417/00; Y10S417/90
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |