US3367503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuse filter with water sensitive valve closure trigger
Assignee: Bowser Inc
•
Filing: 1965-07-12
•
Granted: 1968-02-06
•
Expires: 1985-07-12
Abstract
No abstract record available.
Inventors
- 👤 George J Topol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:51
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/14; B01D35/157; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/50; B01D29/52; B01D29/88; B01D29/90; B01D29/902; B01D29/92; B01D29/96; B01D2201/00; B01D2201/04; B01D2201/043; B01D2201/0438; B01D2201/28; B01D2201/287; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US337431A
Cited
US2404621A
Cited
US2632566A
Cited
US2798503A
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US3298522A
Cited
US3339735A
Cited
US3339734A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |