Patent US3071307A successfully refreshed from Google Patents.
US3071307A
Expired / Lapsed
US
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Carton for packaging and heating subsistence items
Assignee: Individual
•
Filing: 1961-03-08
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Granted: 1963-01-01
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Expires: 1981-03-08
Abstract
No abstract record available.
Inventors
- 👤 Robert G Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:23
CPC Classifications
A; A47; A47J; A47J36/00; A47J36/02; A47J36/022; A47J27/00; A47J27/10; Y; Y10; Y10S; Y10S229/00; Y10S229/902; Y10S229/903
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1416465A
Cited
US1732436A
Cited
FR712973A
Cited
US2573412A
Cited
US2850392A
Cited
US2850391A
Cited
US2993633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |