US3413781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sonic aerosol filtering devices
Assignee: Individual
•
Filing: 1966-08-15
•
Granted: 1968-12-03
•
Expires: 1986-08-15
Abstract
No abstract record available.
Inventors
- 👤 Harry I Abboud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:55
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/02; B01D46/66; B01D46/74; B01D46/76; B01D46/762; B01D49/00; B01D49/006; B01J; B01J19/00; B01J19/08; B01J19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB460795A
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US2526651A
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GB651356A
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US2769506A
Cited
US2836256A
Cited
US3158455A
Cited
US2962120A
Cited
US3053031A
Cited
GB951780A
Cited
US3157153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |