US2569764A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Initially soft stiffenable material
Assignee: BOYD WELSH Inc
•
Filing: 1946-07-25
•
Granted: 1951-10-02
•
Expires: 1966-07-25
Abstract
No abstract record available.
Inventors
- 👤 Gilbert F Jonas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:59
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/08; A43B23/16; A43B23/17
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) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |