US3176630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trough type hatch operating arrangement
Assignee: Pullman Standard Inc
•
Filing: 1963-06-04
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Granted: 1965-04-06
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Expires: 1983-06-04
Abstract
No abstract record available.
Inventors
- 👤 Robert A Schmeider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:53
CPC Classifications
B; B61; B61D; B61D17/00; B61D17/04; B61D17/12; B61D17/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A HOPPER CAR HAVING A PLURALITY OF ALIGNED HOPPERS PROVIDED WITH A CONTINUOUS HATCH OPENING WHICH IS DEFINED BY A CONTINUOUS RIM, AND A SINGLE HATCH COVER PLATE ENCLOSING SAID OPENING WITH MARGINAL PORTIONS THEREOF IN SEALING ENGAGEMENT WITH SAID RIM, THE PROVISION OF HATCH COVER PLATE OPERATING MEANS MOUNTED IN SAID OPENING AND COMPRISING A HORIZONTAL PIVOT ARM EXTENDING TRANSVERSELY OF SAID COVER PLATE AND BEING PIVOTALLY ATTACHED THERETO CENTRALLY THEREOF, SAID PIVOT ARM INCLUDING VERTICAL SUPPORT MEANS EXTENDING DOWNWARDLY THEREFROM ADJACENT A SIDE PORTION OF SAID OPENING, MEANS CARRIED BY SAID CAR AND PIVOTALLY RECEIVING SAID SUPPORT MEANS, DRIVE MEANS FOR SAID SUPPORT MEANS CARRIED BY SAID CAR AND EXTENDING EXTERNALLY THEREOF FOR ACCESS THERETO, AND LEVER
Claim 2
Dependent Claim
120 words
IN A HOPPER CAR HAVING A PLURALITY OF ALIGNED HOPPERS PROVIDED WITH A CONTINUOUS HATCH OPENING WHICH IS DEFINED BY A CONTINUOUS RIM, AND A SINGLE HATCH COVER PLATE ENCLOSING SAID OPENING WITH MARGINAL PORTIONS THEREOF IN SEALING ENGAGEMENT WITH SAID RIM, THE PROVISION OF HATCH COVER PLATE OPERATING MEANS MOUNTED IN SAID OPENING AND COMPRISING A HORIZONTAL PIVOT ARM EXTENDING TRANSVERSELY OF SAID COVER PLATE AND BEING PIVOTALLY ATTACHED THERETO CENTRALLY THEREOF, SAID PIVOT ARM INCLUDING VERTICAL SUPPORT MEANS EXTENDING DOWNWARDLY THEREFROM ADJACENT A SIDE PORTION OF SAID OPENING, MEANS CARRIED BY SAID CAR AND PIVOTALLY RECEIVING SAID SUPPORT MEANS, DRIVE MEANS FOR SAID SUPPORT MEANS CARRIED BY SAID CAR AND EXTENDING EXTERNALLY THEREOF FOR ACCESS THERETO, AND LEVER
References Cited (Backward Citations)
US1394288A
Cited
US2038517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |