US2812017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic burner
Assignee: Individual
•
Filing: 1953-02-24
•
Granted: 1957-11-05
•
Expires: 1973-02-24
Abstract
No abstract record available.
Inventors
- 👤 Isadore N Vant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:03
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/44; F23D11/441; F23D11/446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US778443A
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GB336654A
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US2397142A
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US2448235A
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US2450025A
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US2586416A
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US2586935A
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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) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |