Pavement laying or patching with aggregate,fabric,and adhesive
Abstract
Abstract A FABRIC IS LAID UPON A LAYER OF INTENTIONALLY ROUGH SURFACE OF, SAY, AGGREGATE OR EARTH, ADHESIVE, E.G., ASPHALT, IS APPLIED TO WET THE FABRIC AND THE AGGREGATE OR OTHER SURFACE AND THEN THE FABRIC IS COVERED WITH ADDITIONAL AGGREGATE IN A MANNER TO STRESS OR STRETCH AT LEAST PORTIONS THEREOF BETWEEN THE INTERPOSITIONED OR INTERLOCKING PIECES OR POINTS OF THE TWO LAYERS OF AGGREGATE. THE THUS LAID COMPOSITE CAN BE FURTHER COVERED WITH ADHESIVE AS BY SPRAYING AND THEN ROLLED IN ONE EMBODIMENT, WRINKING AND BUBBING OF THE FABRIC CONTAINING COMPOSITE, AS IN A ROAD SURFACE OR PATCH, IS PREVENTED. A FABRIC NOW PREFERRED TO BE USED AND WHICH HAS PRESENTED THE WRINKLING AND BUBBLING PROBLEM IS ONE MADE OF A HEAT SEALED NONWOVEN POLYOLEFIN FABRIC, E.G., POLYPROPYLENE.
Inventors
- 👤 Dale F Levy
- 👤 Richard J Bennett
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |