Patent US1468906A successfully refreshed from Google Patents.
US1468906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel-oil filter
Assignee: Individual
•
Filing: 1921-10-08
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Granted: 1923-09-25
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Expires: 1941-10-08
Abstract
No abstract record available.
Inventors
- 👤 Inman William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:54
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/114; B01D29/88; B01D29/90; B01D29/902; B01D29/94; B01D29/96; B01D36/00; B01D36/003; B01D2201/00; B01D2201/28; B01D2201/287; B01D2201/30; B01D2201/301; B01D2201/306
Claims Analysis
Total Claims: 0
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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) | 1926-09-24 | 1927-03-26 | 1927-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-09-24 | 1931-03-26 | 1931-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-09-24 | 1935-03-26 | 1935-09-25 | $7700.00 | Window Closed / Lapsed |