US2613398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making inner molds
Assignee: United Shoe Machinery Corp
•
Filing: 1947-12-10
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Granted: 1952-10-14
•
Expires: 1967-12-10
Abstract
No abstract record available.
Inventors
- 👤 Ernest M Croweil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:14
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/12; B29D35/128; A; A43; A43D; A43D39/00; B29C; B29C33/00; B29C33/38; B29C33/3821; B29C33/3842; B29C33/3857; B29C35/00; B29C35/02; B29C35/0222; B29C67/00; B29C67/0037; B29K; B29K2101/00; B29K2101/12; B29K2711/00; B29K2711/02; B29L; B29L2031/00; B29L2031/48; B29L2031/50; B29L2031/507; Y; Y10; Y10S; Y10S36/00; Y10S36/02
Claims Analysis
Total Claims: 0
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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) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |