US2722316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water filters for the cooling systems of internal combustion engines
Assignee: Individual
•
Filing: 1952-12-29
•
Granted: 1955-11-01
•
Expires: 1972-12-29
Abstract
No abstract record available.
Inventors
- 👤 Goscilo Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:58
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/114; B01D29/88; B01D29/90; B01D29/96; B01D2201/00; B01D2201/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US441667A
Cited
US2603353A
Cited
US1477885A
Cited
US1692852A
Cited
US2322131A
Cited
US2567062A
Cited
US2657805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |