US2497528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waterproof stocking and shoe protector
Assignee: Individual
•
Filing: 1947-05-16
•
Granted: 1950-02-14
•
Expires: 1967-05-16
Abstract
No abstract record available.
Inventors
- 👤 Wren E Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:15
CPC Classifications
A; A43; A43B; A43B3/00; A43B3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191217864A
Cited
US1552022A
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US1537778A
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US1604954A
Cited
US1810514A
Cited
US1907856A
Cited
US1980486A
Cited
US1952628A
Cited
US2079331A
Cited
US2114421A
Cited
US2276398A
Cited
US2257390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |