Patent US3708655A successfully refreshed from Google Patents.
Patent US3037634A successfully refreshed from Google Patents.
US3037634A
Expired / Lapsed
US
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Water filter
Assignee: Bowser Inc
•
Filing: 1958-06-16
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Granted: 1962-06-05
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Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 James M Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:02
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/88; B01D29/90; B01D29/11; B01D29/13; B01D29/23; B01D29/27; B01D29/50; B01D29/52; B01D29/62; B01D37/00; B01D37/02; B01D2201/00; B01D2201/30; B01D2201/301; B01D2201/304
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |