US3171335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pavements and method of making the same
Assignee: SALVIAM SOC
•
Filing: 1961-06-01
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Granted: 1965-03-02
•
Expires: 1981-06-01
Abstract
No abstract record available.
Inventors
- 👤 Pincon Arthur Joseph Baptiste
- 👤 Bugeon Roger Marie Jonathon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:21
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; E; E01; E01C; E01C7/00; E01C7/08; E01C7/18; E01C7/26; E01C7/265; E01C7/35; E01C7/358; C04B2111/00; C04B2111/00474; C04B2111/00482; C04B2111/0075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A SEMI-RIGID PAVEMENT COMPRISING A LAYER OF A NATURAL AGGREGATE CONTAINING PEBBLES,A BITUMINOUS COATING BINDING SAID PEBBLES TOGETHER SO THAT THERE ARE INTERSTICES IN SAID LAYER, AND AN ARTIFICIAL AGGREGATE COMPRISED OF HYDRAULIC CEMENT AND POLYMERIZED POLYVINYL ACETATE AND UREA FORMALDEHYDE RESIN OCCUPYING THE INTERESTICS IN AT LEAST THE UPPER PART OF SAID LAYER.
Claim 2
Dependent Claim
54 words
A SEMI-RIGID PAVEMENT COMPRISING A LAYER OF A NATURAL AGGREGATE CONTAINING PEBBLES,A BITUMINOUS COATING BINDING SAID PEBBLES TOGETHER SO THAT THERE ARE INTERSTICES IN SAID LAYER, AND AN ARTIFICIAL AGGREGATE COMPRISED OF HYDRAULIC CEMENT AND POLYMERIZED POLYVINYL ACETATE AND UREA FORMALDEHYDE RESIN OCCUPYING THE INTERESTICS IN AT LEAST THE UPPER PART OF SAID LAYER.
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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) | 1968-03-01 | 1968-08-31 | 1969-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-01 | 1972-08-31 | 1973-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-01 | 1976-08-31 | 1977-03-02 | $7700.00 | Window Closed / Lapsed |