US2807596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Comminuted particles of a composition containing a rubber, bitumen, and blowing agent and method of using same in building roads
Assignee: Uniroyal Inc
•
Filing: 1954-04-27
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Granted: 1957-09-24
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Expires: 1974-04-27
Abstract
No abstract record available.
Inventors
- 👤 John A Flickinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:32
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/18; C08L23/20; C08L23/22; C08L21/00; C08L9/00; C08L9/02; C08L9/06; C08L95/00; Y; Y10; Y10S; Y10S524/00; Y10S524/925
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
FREE-FLOWING COMMINUTED PARTICLES OF A THERMOPLASTIC COMPOSITION ADAPTED TO BE BLENDED WITH THE BITUMINOUS BINDER FOR THE AGGREGATE IN PAVING CONSTRUCTION COMPRISING 20 TO 60 PARTS OF A RUBBER, 30 TO 60 PARTS OF A BITUMINOUS MATERIAL HAVING A SOFTENING POINT IN THE RANGE FROM 200*F. TO 350*F. AS MEASURED BY THE RING AND BALL TEST, AND 0.01 TO 0.5 PART OF A SOLID BLOWING AGENT, WHICH DECOMPOSES AT TEMPERATURES BETWEEN 250*F. AND 400*F., THE INDIVIDUAL COMMINUTED PARTICLES HAVING A VOLUME EQUAL TO THE VOLUME OF A CUBE FROM 1/32 INCH TO 1/2 INCH ON EACH SIDE.
Claim 2
Dependent Claim
97 words
FREE-FLOWING COMMINUTED PARTICLES OF A THERMOPLASTIC COMPOSITION ADAPTED TO BE BLENDED WITH THE BITUMINOUS BINDER FOR THE AGGREGATE IN PAVING CONSTRUCTION COMPRISING 20 TO 60 PARTS OF A RUBBER, 30 TO 60 PARTS OF A BITUMINOUS MATERIAL HAVING A SOFTENING POINT IN THE RANGE FROM 200*F. TO 350*F. AS MEASURED BY THE RING AND BALL TEST, AND 0.01 TO 0.5 PART OF A SOLID BLOWING AGENT, WHICH DECOMPOSES AT TEMPERATURES BETWEEN 250*F. AND 400*F., THE INDIVIDUAL COMMINUTED PARTICLES HAVING A VOLUME EQUAL TO THE VOLUME OF A CUBE FROM 1/32 INCH TO 1/2 INCH ON EACH SIDE.
References Cited (Backward Citations)
US1371016A
Cited
US1828365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |