US3047890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making machine-made platform-style shoes
Assignee: Cambridge Rubber Co
•
Filing: 1960-08-30
•
Granted: 1962-08-07
•
Expires: 1980-08-30
Abstract
No abstract record available.
Inventors
- 👤 Jr George H Bingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:06
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/06; B29D35/08; A; A43; A43B; A43B13/00; A43B13/02; A43B13/04; A43B13/12; A43B13/28; A43B13/32; B29K; B29K2021/00
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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |