US2477532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welt and method of making the same
Assignee: Individual
•
Filing: 1946-01-23
•
Granted: 1949-07-26
•
Expires: 1966-01-23
Abstract
No abstract record available.
Inventors
- 👤 Aubrey F White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:26
CPC Classifications
A; A43; A43B; A43B15/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1086877A
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US1656564A
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US1564771A
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US1687460A
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US1708628A
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US1787864A
Cited
US2153321A
Cited
US2251178A
Cited
US2241652A
Cited
US2299263A
Cited
US2328937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |