US2701062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coalescer
Assignee: Fram Corp
•
Filing: 1952-01-25
•
Granted: 1955-02-01
•
Expires: 1972-01-25
Abstract
No abstract record available.
Inventors
- 👤 Robinson John Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:49
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/02; B01D39/06; B01D17/00; B01D17/02; B01D17/04; B01D17/045; Y; Y10; Y10S; Y10S210/00; Y10S210/05
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1229437A
Cited
US1663298A
Cited
US1787577A
Cited
US1947709A
Cited
US2196821A
Cited
US2575900A
Cited
US2550853A
Cited
US2555607A
Cited
US2626709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |