US2416888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing shoe soles and the like
Assignee: Individual
•
Filing: 1942-11-02
•
Granted: 1947-03-04
•
Expires: 1962-11-02
Abstract
No abstract record available.
Inventors
- 👤 Wentworth Pearl Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:25
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/12; B29D35/14; B29D35/142; B29K; B29K2021/00
Claims Analysis
Total Claims: 0
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US2257026A
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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) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |