US3040666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable output pump
Assignee: Durion Co Inc
•
Filing: 1959-08-24
•
Granted: 1962-06-26
•
Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Jac B Flynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:05
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/06; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2179
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR873057A
Cited
US2737896A
Cited
US2780404A
Cited
US2776573A
Cited
US2953029A
Cited
US2892360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |