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Patent US3258133A successfully refreshed from Google Patents.
US3258133A
Expired / Lapsed
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Tubular uncoupling device for car couplers
Assignee: Stanray Corp
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Filing: 1965-09-13
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Granted: 1966-06-28
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Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Westel E Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:50
CPC Classifications
B; B61; B61G; B61G7/00; B61G7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN A RAILROAD CAR OR THE LIKE, HAVING A COUPLER MOUNTED IN A SLIDING CENTER SILL WITH CUSHIONING MEDIUM, AN UNCOUPLING ROD MOUNTED AT ONE END TO THE END SILL OF THE CAR AND CONNECTED AT THE OPPOSITE END TO THE COUPLER LOCK MECHANISM, SAID UNCOUPLING ROD CONSISTING OF A PLURALITY OF TELESCOPING PARTS, EACH PART CONNECTED TO ITS ADJACENT PART TO ALOW RELATIVE COAXIAL LONGITUDINAL MOVEMENT, AND BEING OF NON-CIRCULAR CROSS SECTION, AND PROVIDED WITH A LONGITUDINAL DRAINAGE SLOT ALONG THE LOWER SURFACE OF THE OUTER OF SAID TELESCOPING PARTS.
Claim 2
Dependent Claim
91 words
IN A RAILROAD CAR OR THE LIKE, HAVING A COUPLER MOUNTED IN A SLIDING CENTER SILL WITH CUSHIONING MEDIUM, AN UNCOUPLING ROD MOUNTED AT ONE END TO THE END SILL OF THE CAR AND CONNECTED AT THE OPPOSITE END TO THE COUPLER LOCK MECHANISM, SAID UNCOUPLING ROD CONSISTING OF A PLURALITY OF TELESCOPING PARTS, EACH PART CONNECTED TO ITS ADJACENT PART TO ALOW RELATIVE COAXIAL LONGITUDINAL MOVEMENT, AND BEING OF NON-CIRCULAR CROSS SECTION, AND PROVIDED WITH A LONGITUDINAL DRAINAGE SLOT ALONG THE LOWER SURFACE OF THE OUTER OF SAID TELESCOPING PARTS.
References Cited (Backward Citations)
US2885095A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |