US2869253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moisture absorbent and selfventilating footwear
Assignee: Individual
•
Filing: 1955-04-07
•
Granted: 1959-01-20
•
Expires: 1975-04-07
Abstract
No abstract record available.
Inventors
- 👤 Sachs Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:11
CPC Classifications
A; A43; A43B; A43B7/00; A43B7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US52138A
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US77717A
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US381259A
Cited
GB189819266A
Cited
US757424A
Cited
GB191417771A
Cited
US1885327A
Cited
US1949159A
Cited
US2075432A
Cited
GB450577A
Cited
US2618870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |