Patent US2533453A successfully refreshed from Google Patents.
US2533453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber-coated stocking-foot boot
Assignee: Individual
•
Filing: 1947-04-11
•
Granted: 1950-12-12
•
Expires: 1967-04-11
Abstract
No abstract record available.
Inventors
- 👤 Gordon W Gottschalk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:51
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US294173A
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US295062A
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US1179112A
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GB270033A
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GB279327A
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US1794144A
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US1885327A
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US1972976A
Cited
US2292455A
Cited
US2439493A
Cited
US2465911A
Cited
US2463296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |