Patent US2485660A successfully refreshed from Google Patents.
Patent US3127870A successfully refreshed from Google Patents.
US3127870A
Expired / Lapsed
US
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Breakaway rail for race tracks
Assignee: Individual
•
Filing: 1962-02-27
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Granted: 1964-04-07
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Bieber Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:15
CPC Classifications
E; E01; E01F; E01F15/00; E01F15/02; E01F15/04; E01F15/0407; E01F15/0423; E04; E04H; E04H17/00; E04H17/14; E04H17/1413; E04H17/1447; E04H17/1482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A BREAKAWAY RACE TRACK RAIL COMPRISING A RAIL MEANS AND POSTS, BOTH THE RAIL MEANS AND POSTS CONSISTING OF A PLURALITY OF SECTIONS AND MEANS SECURING SAID SECTIONS TOGETHER SAID LAST MENTIONED SECURING MEANS BEING SUBSTANTIALLY WEAKER THAN SAID SECTIONS AND EASILY BROKEN UPON THE APPLICATION OF A FORCE AGAINST THE SECTIONS IN EXCESS OF A MERE BRUSHING FORCE, SAID SECURING MEANS INCLUDING PLATES SPANNING THE ENDS OF ADJACENT SECTIONS AND SECURED THERETO BY A PLURALITY OF BOLTS, SAID PLATES BEING PROVIDED WITH CENTRALLY LOCATED POINTS OF WEAKNESS.
Claim 2
Dependent Claim
88 words
A BREAKAWAY RACE TRACK RAIL COMPRISING A RAIL MEANS AND POSTS, BOTH THE RAIL MEANS AND POSTS CONSISTING OF A PLURALITY OF SECTIONS AND MEANS SECURING SAID SECTIONS TOGETHER SAID LAST MENTIONED SECURING MEANS BEING SUBSTANTIALLY WEAKER THAN SAID SECTIONS AND EASILY BROKEN UPON THE APPLICATION OF A FORCE AGAINST THE SECTIONS IN EXCESS OF A MERE BRUSHING FORCE, SAID SECURING MEANS INCLUDING PLATES SPANNING THE ENDS OF ADJACENT SECTIONS AND SECURED THERETO BY A PLURALITY OF BOLTS, SAID PLATES BEING PROVIDED WITH CENTRALLY LOCATED POINTS OF WEAKNESS.
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |