US3456871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for controlling a jet pump
Assignee: Schutte and Koerting Co
•
Filing: 1967-07-18
•
Granted: 1969-07-22
•
Expires: 1987-07-18
Abstract
No abstract record available.
Inventors
- 👤 Rolf Gosling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:13
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/44; F04F5/46; F04F5/465; Y; Y10; Y10T; Y10T137/00; Y10T137/0536; Y10T137/0645
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2140306A
Cited
US2996878A
Cited
US3030768A
Cited
DE1057828B
Cited
US2968147A
Cited
US3029601A
Cited
US3065599A
Cited
US3102387A
Cited
US3086357A
Cited
DE1157851B
Cited
US3172622A
Cited
US3149474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |