US2453405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Repackable adjustable oil filter cartridge
Assignee: Individual
•
Filing: 1944-11-23
•
Granted: 1948-11-09
•
Expires: 1964-11-23
Abstract
No abstract record available.
Inventors
- 👤 Clark M Bolser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:37
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/14; B01D35/147; B01D24/00; B01D24/02; B01D24/04; B01D24/042; B01D24/48; B01D24/4876; B01D24/4884
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US515769A
Cited
US2153062A
Cited
US2158512A
Cited
US2201418A
Cited
US2247445A
Cited
US2320990A
Cited
US2364617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |