Patent EP0023146A2 successfully refreshed from Google Patents.
US3034451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pintle port construction for pumps
Assignee: RTX Corp
•
Filing: 1959-04-23
•
Granted: 1962-05-15
•
Expires: 1979-04-23
Abstract
No abstract record available.
Inventors
- 👤 Richard N Sullivan
- 👤 Raymond P Lambeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:24
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/10; F04B1/107; F04B1/1071; F04B1/1074; F04B1/1077; F04B1/0404; F04B1/0452; F04B1/0456
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2074068A
Cited
US1998984A
Cited
US2105454A
Cited
US2455678A
Cited
US2426588A
Cited
US2673526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |