US3275151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disc-type strainer
Assignee: SP Kinney Engineers Inc
•
Filing: 1965-07-19
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Granted: 1966-09-27
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Expires: 1985-07-19
Abstract
No abstract record available.
Inventors
- 👤 Hugh B Carr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:40
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/01; B01D29/05; B01D29/055; B01D29/50; B01D29/52; B01D29/60; B01D29/606; B01D29/62; B01D29/66; B01D29/68; B01D29/682; B01D29/688; B01D29/70; B01D33/00; B01D33/15; B01D33/35; B01D33/37; B01D33/44; B01D33/48; B01D33/50; B01D33/503
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |