Patent US2274060A successfully refreshed from Google Patents.
US2274060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold and mold making method
Assignee: United Shoe Machinery Corp
•
Filing: 1938-10-31
•
Granted: 1942-02-24
•
Expires: 1958-10-31
Abstract
No abstract record available.
Inventors
- 👤 Fred V Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:47
CPC Classifications
A; A43; A43D; A43D3/00; A43D3/02; B; B29; B29C; B29C33/00; B29C33/30; B29C33/301; Y; Y10; Y10S; Y10S425/00; Y10S425/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1945-02-23 | 1945-08-25 | 1946-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-23 | 1949-08-25 | 1950-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-23 | 1953-08-25 | 1954-02-24 | $7700.00 | Window Closed / Lapsed |