US2954912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated perishable food carton
Assignee: EXCEL O THERM CONTAINER CORP
•
Filing: 1957-08-26
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Granted: 1960-10-04
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Expires: 1977-08-26
Abstract
No abstract record available.
Inventors
- 👤 Donald B Kauffeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:14
CPC Classifications
B; B65; B65D; B65D65/00; B65D65/38; B65D65/42; B65D65/40; B65D81/00; B65D81/38; B65D81/3848; B65D81/3858; Y; Y10; Y10S; Y10S229/00; Y10S229/902; Y10S229/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2003494A
Cited
FR50333E
Cited
US2322345A
Cited
US2214172A
Cited
US2310712A
Cited
US2658662A
Cited
US2682987A
Cited
US2814428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |