US3893619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crosstie for railroad track
Assignee: Individual
•
Filing: 1972-10-18
•
Granted: 1975-07-08
•
Expires: 1992-10-18
Abstract
Abstract A railroad track crosstie of an elongated block of rubber with rigid end plates connected by cross-rods extending through said block to prevent longitudinal stretching of said block and bolts attached to said cross-rods and extending laterally of said block to prevent the lateral movement of said block under pressure and also for the attachment of rail tie plates on said block.
Inventors
- 👤 A J Bruner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:45
CPC Classifications
E; E01; E01B; E01B3/00; E01B3/44
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
77 words
A crosstie for railroad tie plates and tracks comprising an elongated block of elastomeric material having a flat top and opposite flat ends, a pair of plates each positioned on a different one of said flat ends of said blocks, at least on cross-rod attached to and extending laterally of and between said plates and longitudinally through said block and rods attached to said cross-rod and extending therefrom laterally of and from said cross-rod and said block.
Claim 2
Dependent Claim
77 words
A crosstie for railroad tie plates and tracks comprising an elongated block of elastomeric material having a flat top and opposite flat ends, a pair of plates each positioned on a different one of said flat ends of said blocks, at least on cross-rod attached to and extending laterally of and between said plates and longitudinally through said block and rods attached to said cross-rod and extending therefrom laterally of and from said cross-rod and said block.
Claim 3
Dependent Claim
48 words
A cross-tie for railroad tie plates and tracks as claimed in claim 1 including a plurality of said cross-rods attached to said plates and said rods being attached to said cross-rods at positions thereon whereby track tie plates on said crosstie flat top can receive said rods therethrough.
Claim 4
Dependent Claim
47 words
A crosstie for railroad tie plates and tracks as claimed in claim 1 wherein said rods have threaded outer end portions extending outwardly of said crosstie flat top and nuts detachably mounted on said rod threaded portions capable of retaining the track tie plates on said rods.
References Cited (Backward Citations)
US1000498A
Cited
US1139237A
Cited
US1330295A
Cited
US2435390A
Cited
US2562623A
Cited
US2514652A
Cited
US2854195A
Cited
US3289940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-07 | 1979-01-06 | 1979-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-07 | 1983-01-06 | 1983-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-07 | 1987-01-06 | 1987-07-08 | $7700.00 | Window Closed / Lapsed |