US3490466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smoke incinerator for ash trays
Assignee: Individual
•
Filing: 1968-04-15
•
Granted: 1970-01-20
•
Expires: 1988-04-15
Abstract
No abstract record available.
Inventors
- 👤 Samuel Warnock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:56
CPC Classifications
A; A24; A24F; A24F19/00; A24F19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AT80804B
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CH126314A
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US2038814A
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US2265903A
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US2298826A
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US2370107A
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US2644467A
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US2747101A
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US2879862A
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US3337455A
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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) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |