Patent US3179977A successfully refreshed from Google Patents.
US3179977A
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US
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Multiple hinged rail joint
Assignee: Marshall and Williams Corp
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Filing: 1964-02-03
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Granted: 1965-04-27
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Expires: 1984-02-03
Abstract
No abstract record available.
Inventors
- 👤 Nash John Crandon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:10
CPC Classifications
D; D06; D06C; D06C3/00; D06C3/02; B; B29; B29C; B29C55/00; B29C55/02; B29C55/04; B29C55/08; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32081; Y10T403/32606; Y10T403/32951; Y10T403/71; Y10T403/7123; Y10T403/7129; Y10T403/7141; Y10T403/7152
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
218 words
A MULTIPLE SECTIONED RAIL JOINT CONSTRUCTION COMPRISING TWO OPPOSITELY CURVED PORTIONS, EACH PORTION COMPRISING AN END MAIN RAIL SECTION AND AN INTERMEDIATE MAIN RAIL SECTION, MEANS JOINED TO SAID END RAIL SECTION FOR MOVING SAID END RAIL SECTION TRANSVERSELY OF SAID RAIL, MEANS JOINED TO SAID INTERMEDIATE RAIL SECTION FOR CARRYING SAID INTERMEDIATE RAIL SECTION TRANSVERSELY OF SAID RAIL, A FIRST PLATE FIXEDLY JOINED TO SAID END RAIL SECTION, A SECOND PLATE FIXEDLY JOINED TO SAID INTERMEDIATE RAIL SECTION, SAID FIRST AND SECOND PLATES BEING PIVOTALLY AND SLIDABLY CONNECTED, A PLURALITY OF AN ODD NUMBER OF COMPARATIVELY SHORT RAIL SECTIONS PIVOTALLY JOINED TO EACH OTHER TO FORM A TRAIN HAVING TWO ENDS, SAID TRAIN BEING PIVOTALLY JOINED AT ONE END TO SAID END MAIN RAIL SECTION AND BEING PIVOTALLY JOINED AT THE OTHER END TO SAID INTERMEDIATE MAIN RAIL SECTION, SAID FIRST AND SECOND PLATE LENDING SUPPORT TO SAID COMPARATIVELY SHORT RAIL SECTIONS, RESILIENT MEANS INTERPOSED BETWEEN EACH COMPARTIVELY SHORT RAIL SECTION AND ITS ADJACENT SHORT SECTION AND BETWEEN SAID OTHER END AND SAID END MAIN RAIL SECTION AND BETWEEN SAID OTHER TRAIN END AND SAID INTERMEDIATE MAIN RAIL SECTION FOR URGING SAID SECTIONS INTO PROPER ALIGNMENT WHEREBY WHEN THE END MAIN RAIL SECTIONS OF SAID PORTIONS ARE TRANSVERSELY DISPOSED THE TWO PORTIONS FORM A SMOOTH REVERSE CURVE.
References Cited (Backward Citations)
US3078504A
Cited
US3066377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |