Patent US3421493A successfully refreshed from Google Patents.
US3421493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable collapsible barbecue
Assignee: LARENCE G MILLER
•
Filing: 1967-02-16
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Granted: 1969-01-14
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Expires: 1987-02-16
Abstract
No abstract record available.
Inventors
- 👤 Larence G Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:21
CPC Classifications
A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0763
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3152586A
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US1327115A
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US1404808A
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US2307914A
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US2556365A
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US2826984A
Cited
US2842043A
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US2959165A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |