US2536611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansion joints sealed with a composition containing coal tar pitch, rubbery butadiene-acrylonitrile copolymer and polymerized vegetable oil
Assignee: Uniroyal Inc
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Filing: 1949-07-20
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Granted: 1951-01-02
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Expires: 1969-07-20
Abstract
No abstract record available.
Inventors
- 👤 Herman C Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:33
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C11/04; E01C11/10; E01C11/103; Y; Y10; Y10T; Y10T428/00; Y10T428/19; Y10T428/192; Y10T428/31504; Y10T428/31815; Y10T428/31844
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
IN A PAVING CONSTRUCTION, THE COMBINATION OF A PAIR OF ADJACENT PAVING SECTIONS, AND A JOINT SEALING COMPOSITION BETWEEN SAID SECTIONS COMPRISING 70% TO 85% BY WEIGHT OF COAL TAR PITCH HAVING A MELTING POINT IN THE RANGE 90* F. TO 160* F., 12% TO 18% BY WEIGHT OF A SYNTHETIC RUBBER COPOLYMER OF A MAJOR PROPORTION OF BUTADIENE-1,3 AND A MINOR PROPORTION OF ACRYLONITRILE, AND 2% TO 8% OF POLYMERIZED VEGETABLE OIL.
Claim 2
Dependent Claim
73 words
IN A PAVING CONSTRUCTION, THE COMBINATION OF A PAIR OF ADJACENT PAVING SECTIONS, AND A JOINT SEALING COMPOSITION BETWEEN SAID SECTIONS COMPRISING 70% TO 85% BY WEIGHT OF COAL TAR PITCH HAVING A MELTING POINT IN THE RANGE 90* F. TO 160* F., 12% TO 18% BY WEIGHT OF A SYNTHETIC RUBBER COPOLYMER OF A MAJOR PROPORTION OF BUTADIENE-1,3 AND A MINOR PROPORTION OF ACRYLONITRILE, AND 2% TO 8% OF POLYMERIZED VEGETABLE OIL.
References Cited (Backward Citations)
US2334184A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-01 | 1954-07-03 | 1955-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-01 | 1958-07-03 | 1959-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-01 | 1962-07-03 | 1963-01-02 | $7700.00 | Window Closed / Lapsed |