US3115973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uncoupling arrangement for a railway dump car
Assignee: AMSSTED IND Inc
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Filing: 1962-02-16
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Granted: 1963-12-31
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Expires: 1982-02-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick C Kulieke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:11
CPC Classifications
B; B61; B61G; B61G1/00; B61G1/36; B61G1/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A ROTARY DUMP RAILWAY CAR, A COUPLER MOUNTED FOR ROTATION RELATIVE TO THE CAR AND PROVIDED WITH A ROTARY LOCKLIFT LEVER, A GENERALLY U-SHAPED MEMBER JOURNALED AT ITS ENDS ON SAID CAR FOR UPWARD PIVOTAL MOVEMENT TO ENGAGE AND ACTUATE THE LOCKLIFT LEVER, AN OPERATING ROD JOURNALED ON SAID CAR AND HAVING ITS INBOARD END CONNECTED TO SAID MEMBER FOR COMMON ROTATIONAL MOVEMENT, AND A HANDLE DEPENDING FROM THE OUTBOARD END OF SAID ROD, MEANS TO PREVENT ACCIDENTAL ROTATIONAL MOVEMENT OF SAID ROD WHEN THE CAR IS IN ITS NORMAL UPRIGHT POSITION, AND OTHER MEANS COACTING WITH SAID FIRST MEMTIONED MEANS TO PREVENT ACCIDENTAL ROTATIONAL MOVEMENT OF SAID ROD WHEN THE CAR IS ROTATED TO ITS INVERTED DUMPING POSITION.
Claim 2
Dependent Claim
120 words
IN A ROTARY DUMP RAILWAY CAR, A COUPLER MOUNTED FOR ROTATION RELATIVE TO THE CAR AND PROVIDED WITH A ROTARY LOCKLIFT LEVER, A GENERALLY U-SHAPED MEMBER JOURNALED AT ITS ENDS ON SAID CAR FOR UPWARD PIVOTAL MOVEMENT TO ENGAGE AND ACTUATE THE LOCKLIFT LEVER, AN OPERATING ROD JOURNALED ON SAID CAR AND HAVING ITS INBOARD END CONNECTED TO SAID MEMBER FOR COMMON ROTATIONAL MOVEMENT, AND A HANDLE DEPENDING FROM THE OUTBOARD END OF SAID ROD, MEANS TO PREVENT ACCIDENTAL ROTATIONAL MOVEMENT OF SAID ROD WHEN THE CAR IS IN ITS NORMAL UPRIGHT POSITION, AND OTHER MEANS COACTING WITH SAID FIRST MEMTIONED MEANS TO PREVENT ACCIDENTAL ROTATIONAL MOVEMENT OF SAID ROD WHEN THE CAR IS ROTATED TO ITS INVERTED DUMPING POSITION.
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) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |