Patent US3092371A successfully refreshed from Google Patents.
US3092371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Highway safety guard rail
Assignee: Graybar Precast Ltd
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Filing: 1960-12-27
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Granted: 1963-06-04
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Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Vagn A Knudsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:39
CPC Classifications
E; E01; E01F; E01F15/00; E01F15/02; E01F15/08; E01F15/088; E01F15/081; E01F15/083
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A HIGHWAY SAFETY GUARD RAIL COMPRISING A PLURALITY OF SECTIONS DISPOSED IN END TO END RELATION UPON A ROAD SURFACE, EACH SECTION HAVING SLOPING SIDE WALLS WHICH DIVERGE DOWNWARDLY TO A BROAD ROAD ENGAGING BASE, SAID SIDE WALLS OF EACH SECTION DEFINING A SUBSTANTIALLY INVERTED V-SHAPED CHANNEL, A TRANSVERSE WALL AT EACH END OF EACH SECTION HAVING ITS LOWER EDGE SPACES ABOVE THE BASE AND HAVING AN INWARDLY INCLINED INNER FACE, LOCKING BLOCKS SUPPORTED UPON THE ROAD SURFACE AND CONNECTING THE ADJOINING ENDS OF THE SECTIONS, EACH OF THE LOCKING BLOCKS BEING PARTLY HOUSED WITHIN THE INVERTED V-SHAPED CHANNELS OF ADJOINING SECTIONS AND HAVING A GROOVE IN WHICH THE ADJOINING TRANSVERSE WALLS OF THE SECTIONS ARE RECEIVED SAID LOCKING BLOCKS EACH HAVING INCLINED SIDE AND GROOVES FACES WHICH COACT WITH THE ABUTTING INCLINED FACES ON ADJOINING SECTIONS TO ALIGN SAID SECTIONS AND WEDGE THEM TOGETHER AGAINST LONGITUDINAL LATERAL DISPLACEMENT.
Claim 2
Dependent Claim
149 words
A HIGHWAY SAFETY GUARD RAIL COMPRISING A PLURALITY OF SECTIONS DISPOSED IN END TO END RELATION UPON A ROAD SURFACE, EACH SECTION HAVING SLOPING SIDE WALLS WHICH DIVERGE DOWNWARDLY TO A BROAD ROAD ENGAGING BASE, SAID SIDE WALLS OF EACH SECTION DEFINING A SUBSTANTIALLY INVERTED V-SHAPED CHANNEL, A TRANSVERSE WALL AT EACH END OF EACH SECTION HAVING ITS LOWER EDGE SPACES ABOVE THE BASE AND HAVING AN INWARDLY INCLINED INNER FACE, LOCKING BLOCKS SUPPORTED UPON THE ROAD SURFACE AND CONNECTING THE ADJOINING ENDS OF THE SECTIONS, EACH OF THE LOCKING BLOCKS BEING PARTLY HOUSED WITHIN THE INVERTED V-SHAPED CHANNELS OF ADJOINING SECTIONS AND HAVING A GROOVE IN WHICH THE ADJOINING TRANSVERSE WALLS OF THE SECTIONS ARE RECEIVED SAID LOCKING BLOCKS EACH HAVING INCLINED SIDE AND GROOVES FACES WHICH COACT WITH THE ABUTTING INCLINED FACES ON ADJOINING SECTIONS TO ALIGN SAID SECTIONS AND WEDGE THEM TOGETHER AGAINST LONGITUDINAL LATERAL DISPLACEMENT.
References Cited (Backward Citations)
US776419A
Cited
US2065861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |