US3345807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air and liquid separating device
Assignee: Individual
•
Filing: 1965-05-10
•
Granted: 1967-10-10
•
Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Felden Ray J Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:30
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0042
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1876465A
Cited
US929270A
Cited
US969170A
Cited
US1545748A
Cited
US1828626A
Cited
US2010456A
Cited
US2095586A
Cited
US2402140A
Cited
US2467408A
Cited
US3235343A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |