Patent US1823863A successfully refreshed from Google Patents.
US3435754A
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US
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Roasting and broiling apparatus
Assignee: Burger Eisenwerke AG
•
Filing: 1967-05-23
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Granted: 1969-04-01
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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
2026-11-01 11:21
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/04; A47J37/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA584803A
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US1358365A
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US1716653A
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US1631655A
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US1762035A
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US2372362A
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US2456291A
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US2517360A
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US2537378A
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US2831420A
Cited
US2945598A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |