US3176846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic strainer
Assignee: Individual
•
Filing: 1961-10-17
•
Granted: 1965-04-06
•
Expires: 1981-10-17
Abstract
No abstract record available.
Inventors
- 👤 Renard P Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:21
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/114; B01D29/50; B01D29/52; B01D29/62; B01D29/66; B01D29/668
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US320985A
Cited
FR548298A
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US1878093A
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US2085306A
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US2434427A
Cited
US2173060A
Cited
US2237964A
Cited
US2423172A
Cited
US2742157A
Cited
US2847126A
Cited
US2731107A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |