US3211110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roadway structures
Assignee: Individual
•
Filing: 1962-07-05
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Granted: 1965-10-12
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Expires: 1982-07-05
Abstract
No abstract record available.
Inventors
- 👤 Robert M Pierson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:14
CPC Classifications
E; E01; E01D; E01D11/00; E01B; E01B25/00; E01B25/28; E01C; E01C9/00; E01C9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A ROADWAY FOR A VEHICLE COMPOSED OF AT LEAST ONE TRACK FOR ALIGNED WHEELS ON A VEHICLE, THE TRACK BEING SUPPORTED AT LEAST IN PART BY LONGITUDINAL LOAD-BEARING MEMBER SUPPORTED AT INTERVALS BY GROUND SUPPORTS BETWEEN WHICH SUPPORTS THE LOAD-BEARING MEMBERS SAG WHEN A VEHICLE IS THEREON BETWEEN THE SUPPORTS, THE TRACK BEING COMPOSED OF A PLURALITY OF TRACK-FORMING MEMBERS PLACED CONSECUTIVELY ALONG THE LOAD-BEARING MEMBERS AND ATTACHED THERETO, EACH OF SAID TRACK-FORMING MEMBERS COMPRISING A SUBSTANTIALLY HORIZONTAL TRANSVERSE SURFACE ON WHICH THE WHEELS BEAR AND AT LEAST ONE PORTION PROJECTING RELATIVELY VERTICALLY THEREFROM WHICH PROJECTION INCLUDES ATTACHMENT MEANS FOR AFFIXING THE LOADBEARING MEMBER, THE POINTS OF ATTACHMENT OF THE TRACKFORMING MEMBERS TO THE LOAD-BEARING MEMBERS BEING AT DIFFERNET HEIGHTS TO THE LOAD-BEARING MEMBERS BEING AT THE TRACK, SAID POINTS OF ATTACHMENT BEING HIGHER IN RELATION TO THE WHEEL-BEARING SURFACE AT THE SUPPORTS THAT AT A DISTANCE AWAY FROM THE SUPPORTS AND BEING LOWEST AT SUBSTANTIALLY THE MIDPOINT BETWEEN THE GROUND SUPPORTS.
Claim 2
Dependent Claim
162 words
A ROADWAY FOR A VEHICLE COMPOSED OF AT LEAST ONE TRACK FOR ALIGNED WHEELS ON A VEHICLE, THE TRACK BEING SUPPORTED AT LEAST IN PART BY LONGITUDINAL LOAD-BEARING MEMBER SUPPORTED AT INTERVALS BY GROUND SUPPORTS BETWEEN WHICH SUPPORTS THE LOAD-BEARING MEMBERS SAG WHEN A VEHICLE IS THEREON BETWEEN THE SUPPORTS, THE TRACK BEING COMPOSED OF A PLURALITY OF TRACK-FORMING MEMBERS PLACED CONSECUTIVELY ALONG THE LOAD-BEARING MEMBERS AND ATTACHED THERETO, EACH OF SAID TRACK-FORMING MEMBERS COMPRISING A SUBSTANTIALLY HORIZONTAL TRANSVERSE SURFACE ON WHICH THE WHEELS BEAR AND AT LEAST ONE PORTION PROJECTING RELATIVELY VERTICALLY THEREFROM WHICH PROJECTION INCLUDES ATTACHMENT MEANS FOR AFFIXING THE LOADBEARING MEMBER, THE POINTS OF ATTACHMENT OF THE TRACKFORMING MEMBERS TO THE LOAD-BEARING MEMBERS BEING AT DIFFERNET HEIGHTS TO THE LOAD-BEARING MEMBERS BEING AT THE TRACK, SAID POINTS OF ATTACHMENT BEING HIGHER IN RELATION TO THE WHEEL-BEARING SURFACE AT THE SUPPORTS THAT AT A DISTANCE AWAY FROM THE SUPPORTS AND BEING LOWEST AT SUBSTANTIALLY THE MIDPOINT BETWEEN THE GROUND SUPPORTS.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |