Patent US3420193A successfully refreshed from Google Patents.
US3420193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freight vehicle floor structure
Assignee: Pullman Standard Inc
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Filing: 1966-09-16
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Granted: 1969-01-07
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Expires: 1986-09-16
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Austgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:09
CPC Classifications
B; B62; B62D; B62D25/00; B62D25/20; B62D25/2054
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A FREIGHT VEHICLE HAVING AN UNDERFRAME AND A FLOOR EXTENDING THE LENGTH OF SAID UNDERFRAME, SAID FLOOR COMPRISING A PLURALITY OF TRANSVERSELY EXTENDING FLOOR BOARD MEANS FIXED TO SAID UNDERFRAME IN CO-PLANAR RELATIONSHIP WITH ONE ANOTHER, SAID FLOOR INCLUDING AT LEAST ONE SET OF TWO LENGTHWISE SPACED FLOOR BOARD ASSEMBLIES MOVABLE INTO AND OUT OF PLANAR RELATIONSHIP WITH SAID FIXED FLOOR BOARD MEANS, EACH ASSEMBLY PROVIDING TWO RAISED PIVOTALLY INTERCONNECTED FLOOR SECTIONS WHEN MOVED OUT OF SAID PLANAR RELATIONSHIP FOR SUPPORTING WITH THE OUTER ASSEMBLY LADING IN SPANNING RELATIONSHIP ON THE ASSEMBLIES, AND EACH FLOOR ASSEMBLY BEING SEPARATED BY ONE OF SAID FIXED FLOOR BOARD MEANS AND ACCOMMODATING THE RECEPTION OF THE TIMES OF A LIFT BETWEEN THE ASSEMBLIES.
Claim 2
Dependent Claim
119 words
A FREIGHT VEHICLE HAVING AN UNDERFRAME AND A FLOOR EXTENDING THE LENGTH OF SAID UNDERFRAME, SAID FLOOR COMPRISING A PLURALITY OF TRANSVERSELY EXTENDING FLOOR BOARD MEANS FIXED TO SAID UNDERFRAME IN CO-PLANAR RELATIONSHIP WITH ONE ANOTHER, SAID FLOOR INCLUDING AT LEAST ONE SET OF TWO LENGTHWISE SPACED FLOOR BOARD ASSEMBLIES MOVABLE INTO AND OUT OF PLANAR RELATIONSHIP WITH SAID FIXED FLOOR BOARD MEANS, EACH ASSEMBLY PROVIDING TWO RAISED PIVOTALLY INTERCONNECTED FLOOR SECTIONS WHEN MOVED OUT OF SAID PLANAR RELATIONSHIP FOR SUPPORTING WITH THE OUTER ASSEMBLY LADING IN SPANNING RELATIONSHIP ON THE ASSEMBLIES, AND EACH FLOOR ASSEMBLY BEING SEPARATED BY ONE OF SAID FIXED FLOOR BOARD MEANS AND ACCOMMODATING THE RECEPTION OF THE TIMES OF A LIFT BETWEEN THE ASSEMBLIES.
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) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |