US2966861A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring pump
Assignee: Drackett Co
•
Filing: 1956-10-08
•
Granted: 1961-01-03
•
Expires: 1976-10-08
Abstract
No abstract record available.
Inventors
- 👤 James U Stewart
- 👤 Rex C Cooprider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:49
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/10; F04B53/1002; F04B53/1015; F04B9/00; F04B9/14; G; G01; G01F; G01F11/00; G01F11/02; G01F11/021; F05; F05C; F05C2225/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US371518A
Cited
US477808A
Cited
US615470A
Cited
US740221A
Cited
US1705401A
Cited
US1922721A
Cited
US2547109A
Cited
US2599082A
Cited
US2663600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |