Patent US3561284A successfully refreshed from Google Patents.
US3561284A
Expired / Lapsed
US
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Handbrake arrangement for railway flat cars
Assignee: Pullman Standard Inc
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Filing: 1969-04-03
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Granted: 1971-02-09
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Expires: 1989-04-03
Abstract
Abstract A HANDBRAKE ARRANGEMENT FOR A FLAT DECK RAILWAY CAR WHEREIN THE HANDBRAKE IS POSITIONED BELOW THE DECK AND WITHIN AAR CLEARANCE REQUIREMENTS, THE SIDE SILL OF THE CAR HAVING AN APERTURE ACCOMMODATING THE BRAKE HOUSING, AND SAID HOUSING BEING SO MOUNTED AND HAVING PROVISIONS WHEREBY THE CHAIN AND ROD MECHANISM WHICH IS CONNECTED TO THE FOUNDATION BRAKE RIGGING AND HANDBRAKE EXTENDS THEREBETWEEN IN A DIRECT LINEAR RELATION WITHOUT THE REQUIREMENTS OF EITHER PULLEYS OR GUIDES.
Inventors
- 👤 Donald B Yates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:28
CPC Classifications
B; B61; B61H; B61H13/00; B61H13/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20486
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |