US2478264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interchangeable heel and heel tap attachment
Assignee: DADISMAN
•
Filing: 1944-10-30
•
Granted: 1949-08-09
•
Expires: 1964-10-30
Abstract
No abstract record available.
Inventors
- 👤 George Forrest
- 👤 Harry A Dadisman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:15
CPC Classifications
A; A43; A43B; A43B21/00; A43B21/36; A43B21/47
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1235324A
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US1338580A
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US1339438A
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US1598397A
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US1829252A
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US1829253A
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US1986727A
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US2308103A
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US2266575A
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US2195324A
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US2233250A
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US2279894A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-08 | 1953-02-07 | 1953-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-08 | 1957-02-07 | 1957-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-08 | 1961-02-07 | 1961-08-09 | $7700.00 | Window Closed / Lapsed |