US3246765A
Expired / Lapsed
US
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Assignee: Bowser Inc
•
Filing: 1962-11-13
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Granted: 1966-04-19
•
Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Murphy
- 👤 James L Colpo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:32
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/111; B01D29/13; B01D29/15; B01D29/21; B01D29/23; B01D29/232; B01D46/00; B01D46/24; B01D46/2403; B01D46/2411
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2626056A
Cited
US2770426A
Cited
US2749265A
Cited
US2915426A
Cited
US2750042A
Cited
US2877902A
Cited
US2914179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |