Patent US3407746A successfully refreshed from Google Patents.
US3407746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure piston pump
Assignee: John E Mitchell Co
•
Filing: 1966-08-19
•
Granted: 1968-10-29
•
Expires: 1986-08-19
Abstract
No abstract record available.
Inventors
- 👤 Russell L Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:31
CPC Classifications
F; F04; F04B; F04B53/00; F04B1/00; F04B53/14; F04B53/16; F04B53/162; F04B9/00; F04B9/02; F04B9/04; F04B9/045; Y; Y10; Y10S; Y10S417/00; Y10S417/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR531191A
Cited
US2603158A
Cited
US2595738A
Cited
US2696413A
Cited
US2888879A
Cited
US3070030A
Cited
US3037830A
Cited
US3134305A
Cited
US3212411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |