Patent US3791312A successfully refreshed from Google Patents.
US3791312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freight car end construction
Assignee: Pullman Standard Inc
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Filing: 1972-01-03
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Granted: 1974-02-12
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Expires: 1992-01-03
Abstract
Abstract In a railroad freight car, an end lining on which corrugated sheet is mounted, the end lining comprising a plurality of upright transversely elongated tubular members filled with pulverant materials such as sand or the like, and wherein the adjustable closure member on each lateral side of the end lining being laterally adjustable for attachment to the corner posts of the car, such closure member also being filled with said pulverant material.
Inventors
- 👤 R Snyder
- 👤 D Bodinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:42
CPC Classifications
B; B61; B61D; B61D17/00; B61D17/04; B61D17/06
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
68 words
In a railroad freight car, an end lining on which corrugated sheet is mounted, the end lining comprising a plurality of upright transversely elongated tubular members filled with pulverant materials, and an adjustable closure member on each lateral side of the end lining, said closure member being laterally adjustable for attachment to the corner posts of the car, such closure member also being filled with said pulverant material.
Claim 2
Dependent Claim
68 words
In a railroad freight car, an end lining on which corrugated sheet is mounted, the end lining comprising a plurality of upright transversely elongated tubular members filled with pulverant materials, and an adjustable closure member on each lateral side of the end lining, said closure member being laterally adjustable for attachment to the corner posts of the car, such closure member also being filled with said pulverant material.
Claim 3
Dependent Claim
89 words
In a railroad freight car construction, an end wall, a side wall, a corner post attaching with said side wall and with said end wall, said end wall including an outer corrugated end sheeting and an inner end lining, said inner end lining comprising a plurality of transversely elongated hollow tubular sections extending in lateral end-to-end relation with one another and against the corrugated sheeting, said lining being filled with pulverant material such as sand or the like acting as an energy absorber of the energy of lading impact.
Claim 4
Dependent Claim
89 words
In a railroad freight car construction, an end wall, a side wall, a corner post attaching with said side wall and with said end wall, said end wall including an outer corrugated end sheeting and an inner end lining, said inner end lining comprising a plurality of transversely elongated hollow tubular sections extending in lateral end-to-end relation with one another and against the corrugated sheeting, said lining being filled with pulverant material such as sand or the like acting as an energy absorber of the energy of lading impact.
Claim 5
Dependent Claim
75 words
The invention according to claim 2, and a closure member on each lateral side of the inner end lining, said closure member having a connecting part connecting with the most laterally outward tubular section and having a corner part adjustably connecting with the connecting part and with said corner post to provide for a hollow space therein, and means fixing the connecting part to the corner part, the hollow space being filled with pulverant material.
Claim 6
Dependent Claim
29 words
The invention according to claim 3, and means fixing being a weld for attaching said connecting part to said corner part for filling said hollow space with pulverant material.
Claim 7
Dependent Claim
21 words
The invention according to claim 3, and said connecting part being L-shaped and connecting also with said outer corrugated end sheeting.
Claim 8
Dependent Claim
38 words
The invention according to claim 3, and said corner part being generally laterally elongated and having an offset portion connecting with said connecting part thereby providing a flush back wall with the connecting part and the tubular sections.
Claim 9
Dependent Claim
43 words
The invention according to claim 3, and said corner post being hat section in shape and having an end lateral leg portion partially defining the hollow space formed with the connecting and corner parts of the closure member and the corrugated end sheeting.
References Cited (Backward Citations)
US593674A
Cited
US918965A
Cited
US1126243A
Cited
US1737527A
Cited
US1837786A
Cited
US2130812A
Cited
US2791463A
Cited
US3185112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |