US2131845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for operating upon the heelportions of shoes
Assignee: United Shoe Machinery Corp
•
Filing: 1935-09-12
•
Granted: 1938-10-04
•
Expires: 1955-09-12
Abstract
No abstract record available.
Inventors
- 👤 William H Nutt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:52
CPC Classifications
A; A43; A43D; A43D3/00; A43D3/02; A43D3/029; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10T; Y10T29/00; Y10T29/53; Y10T29/5343
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-10-03 | 1942-04-04 | 1942-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-10-03 | 1946-04-04 | 1946-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-10-03 | 1950-04-04 | 1950-10-04 | $7700.00 | Window Closed / Lapsed |