US2665733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulose fiber tire casing protected against heat aging
Assignee: Uniroyal Inc
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Filing: 1949-09-20
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Granted: 1954-01-12
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Expires: 1969-09-20
Abstract
No abstract record available.
Inventors
- 👤 Howard M Buckwalter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:13
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/38; B29D30/40; Y; Y10; Y10S; Y10S156/00; Y10S156/91; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2965; Y10T428/31504; Y10T428/31826; Y10T428/31841
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
23 words
A VULCANIZED RUBBER ARTICLE REINFORCED WITH CELLULOSE FIBERS CONTAINING FROM 0.1% TO 4.0% OF MELAMINE ON THE WEIGHT OF THE FIBER AS SUCH.
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) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |