US2931880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical deodorizing device
Assignee: Cory Corp
•
Filing: 1958-10-13
•
Granted: 1960-04-05
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Expires: 1978-10-13
Abstract
No abstract record available.
Inventors
- 👤 David W Yaffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:15
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/20; A01M1/2022; A01M1/2061; A01M1/2077; F; F24; F24H; F24H1/00; Y; Y10; Y10S; Y10S261/00; Y10S261/88; Y10S261/89
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2513919A
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US2733333A
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US2611068A
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US2691716A
Cited
US2767511A
Cited
US2714649A
Cited
US2847931A
Cited
US2799765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |