Patent US3518732A successfully refreshed from Google Patents.
Patent US3103860A successfully refreshed from Google Patents.
US3103860A
Expired / Lapsed
US
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Method of constructing bituminous aggregate surfaces
Assignee: Individual
•
Filing: 1961-08-30
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Granted: 1963-09-17
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Expires: 1981-08-30
Abstract
No abstract record available.
Inventors
- 👤 Horace E Piquette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:25
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/48; E01C19/488; E01C19/002; E01C7/00; E01C7/08; E01C7/35; E01C7/353
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
THE METHOD OF CONSTRUCTING BITUMINOUS AGGREGATE PRAVEMENT SURFACE LAYERS WHICH COMPRISES THE STEPS OF PREPARING THE PAVEMENT BASE, INCLUDING GRADING AND CONTOURING THEREOF, APPLYING A LAYER OF BITUMINOUS PAVING MATERIAL OVER THE TOP OF SAID BASE, AND THEREAFTER PERFORMING THE FOLLOWING STEPS PRIOR TO SETTING OR CURING OF THE BITUMEN LAYER, SPREADING A LAYER OF MINERAL AGGREGATE ONTO
Claim 2
Independent Claim
58 words
THE METHOD OF CONSTRUCTING BITUMINOUS AGGREGATE PRAVEMENT SURFACE LAYERS WHICH COMPRISES THE STEPS OF PREPARING THE PAVEMENT BASE, INCLUDING GRADING AND CONTOURING THEREOF, APPLYING A LAYER OF BITUMINOUS PAVING MATERIAL OVER THE TOP OF SAID BASE, AND THEREAFTER PERFORMING THE FOLLOWING STEPS PRIOR TO SETTING OR CURING OF THE BITUMEN LAYER, SPREADING A LAYER OF MINERAL AGGREGATE ONTO
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |