US2473404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for stretching
Assignee: Wingfoot Corp
•
Filing: 1946-08-17
•
Granted: 1949-06-14
•
Expires: 1966-08-17
Abstract
No abstract record available.
Inventors
- 👤 Foster J Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:33
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/20; B29C55/04; B29C55/08; Y; Y10; Y10S; Y10S264/00; Y10S264/73
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |