US2947436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated container
Assignee: Individual
•
Filing: 1956-07-19
•
Granted: 1960-08-02
•
Expires: 1976-07-19
Abstract
No abstract record available.
Inventors
- 👤 John W Kappen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:16
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/06; F25D23/062; F25D23/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US624165A
Cited
US1854089A
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US1799744A
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US1903169A
Cited
US1967611A
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US2073990A
Cited
US2169419A
Cited
US2194301A
Cited
US2434361A
Cited
US2502781A
Cited
US2644605A
Cited
US2768046A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |