US3382982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strainers for fluids
Assignee: Individual
•
Filing: 1966-02-09
•
Granted: 1968-05-14
•
Expires: 1986-02-09
Abstract
No abstract record available.
Inventors
- 👤 Stevens Ronald John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:43
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/44; B01D29/46; B01D35/00; B01D35/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1866970A
Cited
DE573033C
Cited
US2159196A
Cited
US2547941A
Cited
US2847126A
Cited
US3006478A
Cited
FR1163580A
Cited
US3130042A
Cited
DE1170374B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |