US2741797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine and method for ejecting molded rubber heels and the like
Assignee: International Shoe Co
•
Filing: 1950-07-17
•
Granted: 1956-04-17
•
Expires: 1970-07-17
Abstract
No abstract record available.
Inventors
- 👤 Glenn B Britton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:16
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/44; B29C33/46; Y; Y10; Y10S; Y10S425/00; Y10S425/033; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7869
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) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |