US2573683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for use in making insoles
Assignee: United Shoe Machinery Corp
•
Filing: 1947-11-06
•
Granted: 1951-11-06
•
Expires: 1967-11-06
Abstract
No abstract record available.
Inventors
- 👤 Frederic E Bertrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:46
CPC Classifications
A; A43; A43D; A43D43/00; A43D43/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2173957A
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US2383560A
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US2442647A
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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) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |