US2546166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food container
Assignee: Individual
•
Filing: 1945-06-04
•
Granted: 1951-03-27
•
Expires: 1965-06-04
Abstract
No abstract record available.
Inventors
- 👤 Frederick F Pfefferkorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:32
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/04; B65D77/0446; B65D81/00; B65D81/38; B65D81/3825; B65D81/3834; B65D2577/00; B65D2577/04; B65D2577/041; B65D2577/042; B65D2577/043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US665349A
Cited
US1016346A
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US998490A
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US1244866A
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US1896393A
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US2097186A
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US2147886A
Cited
FR814552A
Cited
US2256935A
Cited
US2299053A
Cited
US2385146A
Cited
US2415767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |