Patent US2000452A successfully refreshed from Google Patents.
US2000452A
Expired / Lapsed
US
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Inflated article and method of making the same
Assignee: Sumitomo Rubber USA LLC
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Filing: 1934-02-16
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Granted: 1935-05-07
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Expires: 1954-02-16
Abstract
No abstract record available.
Inventors
- 👤 Cuyler S Mcchesney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:41
CPC Classifications
B; B29; B29D; B29D22/00; B29D22/04; B29C; B29C65/00; B29C65/02; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/54; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29C66/116; B29C66/70; B29C66/71; B29K; B29K2021/00; B29L; B29L2022/00; B29L2022/02; B29L2031/00; B29L2031/54; B29L2031/548; Y; Y10; Y10S; Y10S264/00; Y10S264/50
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) | 1938-05-06 | 1938-11-05 | 1939-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-05-06 | 1942-11-05 | 1943-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-05-06 | 1946-11-05 | 1947-05-07 | $7700.00 | Window Closed / Lapsed |