Patent US2439780A successfully refreshed from Google Patents.
US2439780A
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US
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Cooking apparatus
Assignee: Mlami Boiler & Machine Co
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Filing: 1945-02-28
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Granted: 1948-04-13
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Expires: 1965-02-28
Abstract
No abstract record available.
Inventors
- 👤 Melvin J Napier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:04
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/20; A23B2/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US145581A
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US285736A
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US959448A
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US1358309A
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US1368351A
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US1565282A
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US1545596A
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US2232545A
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US2240338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-13 | 1951-10-13 | 1952-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-13 | 1955-10-13 | 1956-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-13 | 1959-10-13 | 1960-04-13 | $7700.00 | Window Closed / Lapsed |