US3443510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gravy saver barbecue device
Assignee: WILLIAM E NORTON
•
Filing: 1967-03-01
•
Granted: 1969-05-13
•
Expires: 1987-03-01
Abstract
No abstract record available.
Inventors
- 👤 William E Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:44
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR332190A
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GB190326136A
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US806475A
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GB190506749A
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US842695A
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US1007323A
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US1614661A
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US1748741A
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FR760993A
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CH211634A
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US2253834A
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US2940381A
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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) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |