US2484743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making slip-lasted footwear
Assignee: Individual
•
Filing: 1946-04-02
•
Granted: 1949-10-11
•
Expires: 1966-04-02
Abstract
No abstract record available.
Inventors
- 👤 Heinz W Rollman
- 👤 Ernest E Rollman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:04
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08; A43B23/16; A43B9/00; A43B9/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US939212A
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US1788389A
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US1823232A
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US2215924A
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US2370502A
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US2354797A
Cited
US2402727A
Cited
US2414104A
Cited
US2406738A
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US2394707A
Cited
US2404586A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |