Patent US3223050A successfully refreshed from Google Patents.
US3223050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underframe end
Assignee: Symington Wayne Corp
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Filing: 1962-05-14
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Granted: 1965-12-14
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Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Warnock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:20
CPC Classifications
B; B61; B61F; B61F1/00; B61F1/08; B61F1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A CAR UNDERFRAME HAVING CENTER SILLS, A CAST-WELD UNDERFRAME END COMPRISING A CENTER CASTING HAVING FRONT AND REAR AND A PAIR OF SIDE ARMS, AT LEAST THE REAR AND SIDE ARMS HAVING NECKED OUTER END PORTIONS BOUNDED INWARDLY BY OUTWARDLY FACING ABUTMENT MEANS, A PAIR OF BOLSTER SECTIONS ON OPPOSITE SIDES OF SAID CASTING AND EACH HAVING AN END PART RECEIVING THE NECKED PORTION OF ONE OF SAID SIDE ARMS, THE NECKED PORTION OF THE REAR ARM BEING RECEIVED IN AN END PART OF THE CORNER SILLS, AND WELD MEANS CONNECTING SAID NECKED ARMS TO SAID PARTS, SAID WELD MEANS FOR EACH ARM INCLUDING A PLURALITY OF WELDS SPACED LONGITUDINALLY THEREOF AND EACH RESISTING BOTH TENSILE AND COMPRESSIVE FORCES, ONE OF SAID WELDS FOR EACH ARM FILLING A SPACE BETWEEN THE ABUTMENT MEANS THEREOF AND AN ADJOINING END OF THE RELATED END PART AND BEING IN COMPRESSION UNDER COMPRESSIVE FORCES.
Claim 2
Dependent Claim
151 words
IN A CAR UNDERFRAME HAVING CENTER SILLS, A CAST-WELD UNDERFRAME END COMPRISING A CENTER CASTING HAVING FRONT AND REAR AND A PAIR OF SIDE ARMS, AT LEAST THE REAR AND SIDE ARMS HAVING NECKED OUTER END PORTIONS BOUNDED INWARDLY BY OUTWARDLY FACING ABUTMENT MEANS, A PAIR OF BOLSTER SECTIONS ON OPPOSITE SIDES OF SAID CASTING AND EACH HAVING AN END PART RECEIVING THE NECKED PORTION OF ONE OF SAID SIDE ARMS, THE NECKED PORTION OF THE REAR ARM BEING RECEIVED IN AN END PART OF THE CORNER SILLS, AND WELD MEANS CONNECTING SAID NECKED ARMS TO SAID PARTS, SAID WELD MEANS FOR EACH ARM INCLUDING A PLURALITY OF WELDS SPACED LONGITUDINALLY THEREOF AND EACH RESISTING BOTH TENSILE AND COMPRESSIVE FORCES, ONE OF SAID WELDS FOR EACH ARM FILLING A SPACE BETWEEN THE ABUTMENT MEANS THEREOF AND AN ADJOINING END OF THE RELATED END PART AND BEING IN COMPRESSION UNDER COMPRESSIVE FORCES.
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |