Patent US2323562A successfully refreshed from Google Patents.
US2323562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe tread member
Assignee: BB Chemical Co
•
Filing: 1942-03-24
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Granted: 1943-07-06
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Expires: 1962-03-24
Abstract
No abstract record available.
Inventors
- 👤 Frederick V Nugent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:44
CPC Classifications
A; A43; A43B; A43B13/00; A43B13/02; A43B13/04; Y; Y10; Y10S; Y10S36/00; Y10S36/02; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31826; Y10T428/3183
Claims Analysis
Total Claims: 0
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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) | 1946-07-05 | 1947-01-04 | 1947-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-05 | 1951-01-04 | 1951-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-05 | 1955-01-04 | 1955-07-06 | $7700.00 | Window Closed / Lapsed |