US3523408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas separator
Assignee: Pall Corp
•
Filing: 1968-04-02
•
Granted: 1970-08-11
•
Expires: 1988-04-02
Abstract
No abstract record available.
Inventors
- 👤 David Rosenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:46
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0031; A; A61; A61M; A61M1/00; A61M1/36; A61M1/3621; A61M1/3627; B01D39/00; B01D39/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2741595A
Cited
US3066462A
Cited
US3252270A
Cited
US3300949A
Cited
US3306459A
Cited
US3388803A
Cited
US3364658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |