US2289225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic shoelace
Assignee: Individual
•
Filing: 1941-09-11
•
Granted: 1942-07-07
•
Expires: 1961-09-11
Abstract
No abstract record available.
Inventors
- 👤 Tonai Hideo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
A; A43; A43C; A43C11/00; A43C11/22; Y; Y10; Y10T; Y10T24/00; Y10T24/31; Y10T24/314; Y10T24/34; Y10T24/3484; Y10T24/3485; Y10T24/3487; Y10T24/37; Y10T24/3726; Y10T24/375
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) | 1945-07-06 | 1946-01-05 | 1946-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-07-06 | 1950-01-05 | 1950-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-07-06 | 1954-01-05 | 1954-07-07 | $7700.00 | Window Closed / Lapsed |