Patent US2513877A successfully refreshed from Google Patents.
Patent US3273324A successfully refreshed from Google Patents.
US3273324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine driven rotary liquid-gas separation system
Assignee: RTX Corp
•
Filing: 1962-05-28
•
Granted: 1966-09-20
•
Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 David C Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:19
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/24; B01D46/26; Y; Y10; Y10S; Y10S494/00; Y10S494/90
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US710626A
Cited
US881723A
Cited
US1002471A
Cited
US1242560A
Cited
US1384380A
Cited
US2335420A
Cited
US2398967A
Cited
US2459944A
Cited
US2488746A
Cited
US2539896A
Cited
US2785765A
Cited
US3104964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |