Patent US3019720A successfully refreshed from Google Patents.
US3019720A
Expired / Lapsed
US
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Outdoor cooking unit
Assignee: Individual
•
Filing: 1959-06-22
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Granted: 1962-02-06
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Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 Robert C Topper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:06
CPC Classifications
F; F24; F24C; F24C15/00; F24C15/16; F24C15/164; A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0704; A47J37/0731; F24B; F24B1/00; F24B1/20; F24B1/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US74228A
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US1776072A
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US2012811A
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US2379239A
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US2573988A
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US2851941A
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US2815707A
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US2938450A
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US2797633A
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US2888872A
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US2885950A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |