US2423852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for use in the manufacture of shoes
Assignee: United Shoe Machinery Corp
•
Filing: 1945-05-07
•
Granted: 1947-07-15
•
Expires: 1965-05-07
Abstract
No abstract record available.
Inventors
- 👤 Charles A Robinson
- 👤 Herman A Imhof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:54
CPC Classifications
A; A43; A43D; A43D21/00; A43D21/16; A43D21/12; A43D21/125; A43D21/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1616714A
Cited
US1952770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |