Patent US3134152A successfully refreshed from Google Patents.
Patent US2236066A successfully refreshed from Google Patents.
Patent US2276118A successfully refreshed from Google Patents.
US2276118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter apparatus
Assignee: PENINSULAR LURTON Co
•
Filing: 1939-05-10
•
Granted: 1942-03-10
•
Expires: 1959-05-10
Abstract
No abstract record available.
Inventors
- 👤 James W Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:50
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/50; B01D29/52; B01D29/11; B01D29/13; B01D29/15; B01D29/19; B01D29/54; B01D29/62; B01D29/66; B01D29/96; B01D2201/00; B01D2201/04; B01D2201/0469; B01D2201/0476
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-03-09 | 1945-09-08 | 1946-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-09 | 1949-09-08 | 1950-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-09 | 1953-09-08 | 1954-03-10 | $7700.00 | Window Closed / Lapsed |