US3245329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of surfacing paved areas
Assignee: Reliance Steel Products Co
•
Filing: 1958-10-30
•
Granted: 1966-04-12
•
Expires: 1978-10-30
Abstract
No abstract record available.
Inventors
- 👤 Nagin Leon
- 👤 Harry S Nagin
- 👤 Donald H Russell
- 👤 Leo J Wojcik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:03
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/002; E01C19/02; E01C19/45; E01C23/00; E01C23/06; E01C23/08; E01C7/00; E01C7/08; E01C7/35; E01C7/358
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF PAVING WHICH COMPRISES PROVIDING A FIRST MIXTURE CONTAINING EPOXY RESIN AND PINE OIL, PROVIDING A SECOND MIXTURE CONTAINING A NORMALLY LIQUID ROAD TAR AND A CURING AGENT FOR THE EPOXY RESIN, SEPARATELY HEATING THE FIRST AND SECOND MIXTURES, BRINGING TOGETHER CONTINUOUS STREAMS OF THE PREHEATED FIRST AND SECOND MIXTURES IN PROPORTIONED AMOUNTS AND INTIMATELY MIXING THE TWO STREAMS, CONTINUOUSLY APPLYING THE FINAL MIXTURE SO PRODUCED PROGRESSIVELY OVER AN AREA TO BE SURFACED AND EFFECTING A REACTION BETWEEN SAID RESIN AND CURING AGENT TO CURE THE RESIN IN SITU ON SAID AREA.
Claim 2
Independent Claim
94 words
A METHOD OF PAVING WHICH COMPRISES PROVIDING A FIRST MIXTURE CONTAINING EPOXY RESIN AND PINE OIL, PROVIDING A SECOND MIXTURE CONTAINING A NORMALLY LIQUID ROAD TAR AND A CURING AGENT FOR THE EPOXY RESIN, SEPARATELY HEATING THE FIRST AND SECOND MIXTURES, BRINGING TOGETHER CONTINUOUS STREAMS OF THE PREHEATED FIRST AND SECOND MIXTURES IN PROPORTIONED AMOUNTS AND INTIMATELY MIXING THE TWO STREAMS, CONTINUOUSLY APPLYING THE FINAL MIXTURE SO PRODUCED PROGRESSIVELY OVER AN AREA TO BE SURFACED AND EFFECTING A REACTION BETWEEN SAID RESIN AND CURING AGENT TO CURE THE RESIN IN SITU ON SAID AREA.
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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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |