US2888879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immersion pump for liquefied gases
Assignee: Union Carbide Corp
•
Filing: 1953-09-30
•
Granted: 1959-06-02
•
Expires: 1973-09-30
Abstract
No abstract record available.
Inventors
- 👤 Gilbert W Gaarder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:45
CPC Classifications
F; F04; F04B; F04B53/00; F04B53/06; F04B15/00; F04B15/06; F04B15/08; F04B23/00; F04B23/02; F04B23/021; F04B23/023; F04B53/008; F04B53/10; F04B53/102; F04B53/1022; F04B53/14; F04B53/16; F04B53/162; F04B53/166; F05; F05C; F05C2203/00; F05C2203/08; F05C2203/0804; F05C2203/0808; Y; Y10; Y10S; Y10S417/00; Y10S417/01; Y10S417/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |