US3422772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Body bolster center plate assembly
Assignee: Pullman Standard Inc
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Filing: 1966-08-25
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Granted: 1969-01-21
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Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 Marvin Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:24
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A CENTER PLATE ASSEMBLY FOR A CUSHION UNDERFRAME RAILWAY CAR, CENTER PLATE ASSEMBLY COMPRISING A BASE PLATE, A CENTER PLATE FIXED TO SAID BASE PLATE AND HAVING A CIRCULAR OPENING, AN OPEN ENDED TUBE MOUNTED ON ONE SIDE OF SAID CENTER PLATE IN CO-AXIAL ALIGNMENT WITH SAID CIRCULAR OPENING, A PAIR OF LONGITUDINALLY SPACED REINFORCING MEMBERS OF SUBSTANTIALLY T-SECTION HAVE A VERTICAL LEG AND A HORIZONTAL LEG, AND SAID TERMINAL END OF SAID REINFORCING MEMBERS BEING FIXED TO THE UNDERSIDE OF SAID BASE PLATE ON OP-
Claim 2
Dependent Claim
86 words
A CENTER PLATE ASSEMBLY FOR A CUSHION UNDERFRAME RAILWAY CAR, CENTER PLATE ASSEMBLY COMPRISING A BASE PLATE, A CENTER PLATE FIXED TO SAID BASE PLATE AND HAVING A CIRCULAR OPENING, AN OPEN ENDED TUBE MOUNTED ON ONE SIDE OF SAID CENTER PLATE IN CO-AXIAL ALIGNMENT WITH SAID CIRCULAR OPENING, A PAIR OF LONGITUDINALLY SPACED REINFORCING MEMBERS OF SUBSTANTIALLY T-SECTION HAVE A VERTICAL LEG AND A HORIZONTAL LEG, AND SAID TERMINAL END OF SAID REINFORCING MEMBERS BEING FIXED TO THE UNDERSIDE OF SAID BASE PLATE ON OP-
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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |