Patent US3337161A successfully refreshed from Google Patents.
US3019739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure pumping apparatus
Assignee: Union Carbide Corp
•
Filing: 1959-03-23
•
Granted: 1962-02-06
•
Expires: 1979-03-23
Abstract
No abstract record available.
Inventors
- 👤 Rae A Prosser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:22
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/16; F04B53/162; F04B53/164; F04B53/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE316184C
Cited
US1188097A
Cited
US1260100A
Cited
US2572952A
Cited
US2683060A
Cited
US2898867A
Cited
US2827860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |