US3061107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter cartridge and method of making the same
Assignee: Individual
•
Filing: 1959-03-16
•
Granted: 1962-10-30
•
Expires: 1979-03-16
Abstract
No abstract record available.
Inventors
- 👤 Lucian W Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:38
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/50; B01D29/56; B01D29/58; B01D17/00; B01D17/02; B01D17/04; B01D17/045; B01D29/11; B01D29/111; B01D29/13; B01D29/23; B01D29/232; B01D29/237; Y; Y10; Y10S; Y10S210/00; Y10S210/05
Claims Analysis
Total Claims: 0
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US2687363A
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US2701062A
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GB709897A
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US2782933A
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US2953249A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |