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US2495145A
Expired / Lapsed
US
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Rubber compositions of improved tack
Assignee: Bridgestone Firestone Inc
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Filing: 1944-12-30
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Granted: 1950-01-17
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Expires: 1964-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jr George E P Smith
- 👤 Joseph C Ambelang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:26
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/375; C08L; C08L9/00; C08L9/06; C08L81/00; C08L81/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
A TACKY RUBBER COMPOSITION OF THE GROUP CONSISTING OF A RUBBERY BUTADIENE-STYRENE COPOLYMER COMPOSITION, A RUBBERY POLYBUTADIENE COMPOSITION, A RECLAIMED NATURAL RUBBER COMPOSITION, A RECLAIMED RUBBERY BUTADIENE-STYRENE COPOLYMER AND RECLAIMED MIXTURES OF A RUBBERY BUTADIENESTYRENE COPOLYMER AND NATURAL RUBBER, SAID RUBBERY COMPOSITION CONTAINING A RESINOUS REACTION PRODUCT OF 0.9 TO 1.0 MOLAR PROPORTION OF SULFUR DICHLORIDE AND ONE MOLAR PROPORITION OF A HENOL HAVING THE FORMULA.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |