US3191550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway car construction
Assignee: Pullman Standard Inc
•
Filing: 1962-05-21
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Granted: 1965-06-29
•
Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 Franklin P Adler
- 👤 Lansing First National Bank Of
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:18
CPC Classifications
B; B61; B61D; B61D17/00; B61D17/04; B61D17/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN OPEN SIDE RAILWAY CAR CHARACTERIZED BY THE ABSENCE OF INTERMEDIATE ROOF SUPPORTING MEMBERS COMPRISING AN UNDERFRAME, LOAD RECEIVING MEANS MOUNTED ON SAID UNDERFRAME, AN UPRIGHT RIGID U-SHAPED STRUCTURE LOCATED AT EITHER SIDE OF SAID CAR, AND A HORIZONTAL COMPRESSION MEMBER CONNECTING THE OPEN END OF EACH OF SAID U-SHAPED STRUCTURES IN ORDER TO PROVIDE TWO TRANSVERSELY SPACED SUBSTANTIALLY VERTICAL UNIT FRAME, EACH U-SHAPED STRUCTURE COMPRISING A SIDE SILL WHICH FORMS A PART OF SAID UNDERFRAME, AND A VERTICALLY ARRANGED END PIER AT EACH END OF SAID SIDE SILL, THE EFFECTIVE MOMENT OF INERTIA OF THE LOWER PORTION OF SAID END PIER BEING BETWEEN ONE-FOURTH AND THREE-FOURTHS OF THE MOMENT OF INERITA OF THE CENTRAL PORTION OF SAID SIDE SILL, SAID SIDE SILLS BEING INITIALLY CAMBERED AND SAID UNIT FRAME BEING INITIALLY PRESTRESSED SO THAT SAID COMPRESSION MEMBERS ARE UNDER TENSION WHEN THE CAR IS NOT LOADED.
Claim 2
Dependent Claim
147 words
AN OPEN SIDE RAILWAY CAR CHARACTERIZED BY THE ABSENCE OF INTERMEDIATE ROOF SUPPORTING MEMBERS COMPRISING AN UNDERFRAME, LOAD RECEIVING MEANS MOUNTED ON SAID UNDERFRAME, AN UPRIGHT RIGID U-SHAPED STRUCTURE LOCATED AT EITHER SIDE OF SAID CAR, AND A HORIZONTAL COMPRESSION MEMBER CONNECTING THE OPEN END OF EACH OF SAID U-SHAPED STRUCTURES IN ORDER TO PROVIDE TWO TRANSVERSELY SPACED SUBSTANTIALLY VERTICAL UNIT FRAME, EACH U-SHAPED STRUCTURE COMPRISING A SIDE SILL WHICH FORMS A PART OF SAID UNDERFRAME, AND A VERTICALLY ARRANGED END PIER AT EACH END OF SAID SIDE SILL, THE EFFECTIVE MOMENT OF INERTIA OF THE LOWER PORTION OF SAID END PIER BEING BETWEEN ONE-FOURTH AND THREE-FOURTHS OF THE MOMENT OF INERITA OF THE CENTRAL PORTION OF SAID SIDE SILL, SAID SIDE SILLS BEING INITIALLY CAMBERED AND SAID UNIT FRAME BEING INITIALLY PRESTRESSED SO THAT SAID COMPRESSION MEMBERS ARE UNDER TENSION WHEN THE CAR IS NOT LOADED.
References Cited (Backward Citations)
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US1527398A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |