US3069831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aerosol filter
Assignee: Individual
•
Filing: 1959-09-01
•
Granted: 1962-12-25
•
Expires: 1979-09-01
Abstract
No abstract record available.
Inventors
- 👤 James A Young
- 👤 Robert T Lucas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:44
CPC Classifications
A; A62; A62B; A62B23/00; B; B01; B01D; B01D39/00; B01D39/14; B01D39/20; B01D39/2003; B01D39/2017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2032262A
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US2784132A
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US2774443A
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US2823117A
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US2754581A
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US2882997A
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US2821261A
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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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |