US3514113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing mechanism for high pressure piston pumps
Assignee: Individual
•
Filing: 1967-07-26
•
Granted: 1970-05-26
•
Expires: 1987-07-26
Abstract
No abstract record available.
Inventors
- 👤 Konrad Weiswurm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:14
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/16; F04B53/162; F04B53/164; F16; F16J; F16J15/00; F16J15/46; F16J15/48; Y; Y10; Y10S; Y10S277/00; Y10S277/926; Y10S277/929
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB704032A
Cited
US1709949A
Cited
US2085777A
Cited
US2193587A
Cited
US2307575A
Cited
US2446620A
Cited
US3337222A
Cited
US3332563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |