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Patent US3606258A successfully refreshed from Google Patents.
US3606258A
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Energy absorbing deceleration barriers
Assignee: FIBCO Inc
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Filing: 1969-01-02
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Granted: 1971-09-20
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Expires: 1989-01-02
Abstract
Abstract HIGHWAY SAFETY DEVICES COMPRISING AN ARRAY OF ENERGY ABSORBING BARRIER UNITS EACH PREFERABLY COMPRISING A DISPERSIBLE MASS, EFFECTIVE, WHEN STRUCK BY A VEHICLE, TO BRING THE VEHICLE TO REST AT A RATE OF DECELERATION TOLERABLE TO THE VEHICLE OCCUPANTS WITHOUT IMPOSING AN OVERTURNING OR LIFTING MOMENT ON THE VEHICLE.
Inventors
- 👤 John C Fitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:04
CPC Classifications
E; E01; E01F; E01F15/00; E01F15/14; E01F15/145; E01F15/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |