Patent US3920213A successfully refreshed from Google Patents.
Patent US2208330A successfully refreshed from Google Patents.
US2208330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe
Assignee: ESSEX RUBBER Co
•
Filing: 1938-06-04
•
Granted: 1940-07-16
•
Expires: 1958-06-04
Abstract
No abstract record available.
Inventors
- 👤 Laurence M Oakley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:50
CPC Classifications
B; B29; B29D; B29D35/00; B29D35/12; B29D35/14; B29D35/142; A; A43; A43B; A43B9/00; A43B9/04; A43B9/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1943-07-16 | 1944-01-15 | 1944-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-16 | 1948-01-15 | 1948-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-16 | 1952-01-15 | 1952-07-16 | $7700.00 | Window Closed / Lapsed |