US3340780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction of asphalt overlays on rigid concrete pavements
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-09-11
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Granted: 1967-09-12
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Expires: 1984-09-11
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Roediger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:13
CPC Classifications
E; E01; E01C; E01C7/00; E01C7/08; E01C7/32; E01C7/325
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
IMPROVED ROADWAY WHICH COMPRISES LOWER SECTIONS OF PRE-EXISTING CEMENT ROADWAY, AN ASPHALT OVERLAY ON SAID CEMENT SECTIONS AND A PRE-FORMED PLASTIC INTEGRALLY BONDED TO SAID ASPHALT OVERLAY AND INTERMEDIATE SAID ASPHALT OVERLAY AND SAID CEMENT SECTIONS ALONG THE LINE OF ABUTMENT OF SAID SECTIONS, SAID PRE-FORMED PLASTIC BEING CHARACTERIZED BY HAVING A TONGUE ELEMENT EXTENDING DOWNWARDLY BETWEEN SAID SECTIONS.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |