US3353798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot-mix cold-lay asphalt
Assignee: Phillips Petroleum Co
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Filing: 1966-04-18
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Granted: 1967-11-21
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Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Homer L Draper
- 👤 Dale F Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:32
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/02; E01C19/10; E01C19/1059; E01C19/1068
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
105 words
A METHOD OF MAKING A HOT-MIX COLD-LAY ASPHALT COMPRISING SUPPLYING AGGREGATE AT A PREDETERMINED RATE TO A CONVEYING ZONE, ADDING TO AGGREGATE IN SAID CONVEYING ZONE WATER AND ASPHALT PRIMER AT A METERED RATE, ADDING TO SAID AGGREGATE, WATER AND ASPHALT PRIMER IN SAID CONVEYING ZONE ASPHALT CEMENT AT A METERED RATE, PASSING SAID MIXTURE TO A MIXING ZONE WHEREIN A HOMOGENEOUS MIXTURE IS FORMED, SAID RATE OF ADDING WATER, ASPHALT PRIMER AND ASPHALT CEMENT AND SAID RATE OF SUPPLYING AGGREGATE BEING SYNCHRONOUSLY INTERCONNECTED SO THAT A PRODUCT HAVING A PREDETERMINED RANGE OF CONSTITUENTS IS FORMED REGARDLESS OF THE RATE AT WHICH POWER IS SUPPLIED.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |