US2549960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bottoming shoes
Assignee: United Shoe Machinery Corp
•
Filing: 1946-05-23
•
Granted: 1951-04-24
•
Expires: 1966-05-23
Abstract
No abstract record available.
Inventors
- 👤 James D Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:24
CPC Classifications
A; A43; A43B; A43B17/00; A43B17/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1394938A
Cited
US1571798A
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US1643678A
Cited
US1744322A
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US1975988A
Cited
US2027601A
Cited
US2225192A
Cited
US2401089A
Cited
US2436050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |