Patent US2254085A successfully refreshed from Google Patents.
Patent US2887228A successfully refreshed from Google Patents.
US2887228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid filter device
Assignee: INDIANA COMMERCIAL FILTERS COR
•
Filing: 1956-05-02
•
Granted: 1959-05-19
•
Expires: 1976-05-02
Abstract
No abstract record available.
Inventors
- 👤 Avery S Harlan
- 👤 Paul R Honan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:20
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/0012; B01D21/02; B01D21/04; B01D21/30; B01D21/302; B01D21/34; B01D29/00; B01D29/11; B01D29/114; B01D29/50; B01D29/52; B01D35/00; B01D35/02; B01D35/027; B01D35/14; B01D35/157; B01D2201/00; B01D2201/64
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US172436A
Cited
US1833390A
Cited
US2221210A
Cited
US2376912A
Cited
US2494534A
Cited
US2454341A
Cited
US2511271A
Cited
US2568085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |