US3456579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaged food display and heating device
Assignee: FRANCIS J WOODS
•
Filing: 1967-04-26
•
Granted: 1969-07-22
•
Expires: 1987-04-26
Abstract
No abstract record available.
Inventors
- 👤 Francis J Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:58
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/04; A47J37/043; A47F; A47F3/00; A47F3/001; A47F5/00; A47F5/02; A47F5/025; H; H05; H05B; H05B3/00; H05B3/0033; H05B3/0071; H05B3/0076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1762035A
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US2049481A
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US2132928A
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US2621429A
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US2565786A
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US2945598A
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US3221638A
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US3339477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |