Patent US3450027A successfully refreshed from Google Patents.
US3450027A
Expired / Lapsed
US
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Apparatus for the frying and roasting of comestibles
Assignee: Burger Eisenwerke AG
•
Filing: 1967-05-23
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Granted: 1969-06-17
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Expires: 1987-05-23
Abstract
No abstract record available.
Inventors
- 👤 Alfred Lohr
- 👤 Helmut Hemmann
- 👤 Karl Tropp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:50
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/04; A47J37/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2088946A
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US2078641A
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US2191284A
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US2225068A
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US2614485A
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US2549283A
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US2607283A
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US2843037A
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US3329081A
Cited
US3380377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |