US2429177A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stretching and laminating film
Assignee: Wingfoot Corp
•
Filing: 1940-07-25
•
Granted: 1947-10-14
•
Expires: 1960-07-25
Abstract
No abstract record available.
Inventors
- 👤 Foster J Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:01
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/04; B29C55/08; Y; Y10; Y10S; Y10S264/00; Y10S264/73
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2123155A
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GB497788A
Cited
US2109382A
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US2256159A
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US2259347A
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US2273466A
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US2335190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-13 | 1951-04-14 | 1951-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-13 | 1955-04-14 | 1955-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-13 | 1959-04-14 | 1959-10-14 | $7700.00 | Window Closed / Lapsed |