US3135176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roads and the like
Assignee: British Cellophane Ltd
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Filing: 1961-01-16
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Granted: 1964-06-02
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Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 Foulger Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:27
CPC Classifications
E; E01; E01C; E01C11/00; E01C11/02; E01C7/00; E01C7/08; E01C7/10; E01C7/14; E01C7/145
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A ROAD STRUCTURE COMPRISING A CONCRETE BASE LAYER HAVING AT LEAST ONE BREAK AND OVERLAID WITH AN ADHERENT SURFACE LAYER THE ADHERENT SURFACE LAYER COMPRISING A BINDING MATERIAL SELECTED FROM THE GROUP CONSISTING OF TAR AND BITUMEN IN WHICH ROAD STRUCTURE AT LEAST ONE BREAK IN THE CONCRETE BASE LAYER IS COVERED WITH A BRIDGING MEMBER WHICH OVERLAPS THE EDGES OF THE BREAK, THE BRIDGING MEMBER COMPRISING A LENGTH OF FLATTENED TUBING OF POLYCAPROLACTAM IN WHICH IS INSERTED A SHEET OF HARD-TEMPERED ALUMINUM.
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |