US3089436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic linings for boxcars
Assignee: Youngstown Steel Door Co
•
Filing: 1957-08-05
•
Granted: 1963-05-14
•
Expires: 1977-08-05
Abstract
No abstract record available.
Inventors
- 👤 John J Buckley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:25
CPC Classifications
B; B61; B61D; B61D17/00; B61D17/04; B61D17/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN A RAILWAY BOXCAR HAVING A SIDE WALL INCLUDING A SIDE SILL, INTERMEDIATE, CORNER AND DOOR POSTS SECURED TO SAID SIDE SILL AND METALIC SHEATHING SECURED TO SAID SIDE SILL AND SAID POSTS, A PLANAR METALIC LINING SHEET DISPOSED INWARDLY OF SAID POSTS, SAID LINING SHEET EXTENDING SUBSTANTIALLY FROM SAID DOOR POSTS TO SAID CORNER POSTS AND SPANNING SAID INTERMEDIATE POSTS, SAID LINING SHEET HAVING PORTIONS WITHIN THE EDGES THEREOF WHICH ARE PRESSED OUTWARDLY AT VERTICALLY SPACED INTERVALS, SAID OUTWARDLY PRESSED PORTIONS BEING DISPOSED IN LATERAL ALIGNMENT WITH SAID INTERMEDIATE POSTS, OPENINGS FORMED WITHIN SAID OUTWARDLY PRESSED PORTIONS, AND VERTICAL ANCHOR BARS EXTENDING ACROSS THE OPENINGS AND SECURED TO SAID OUTWARDLY
Claim 2
Dependent Claim
111 words
IN A RAILWAY BOXCAR HAVING A SIDE WALL INCLUDING A SIDE SILL, INTERMEDIATE, CORNER AND DOOR POSTS SECURED TO SAID SIDE SILL AND METALIC SHEATHING SECURED TO SAID SIDE SILL AND SAID POSTS, A PLANAR METALIC LINING SHEET DISPOSED INWARDLY OF SAID POSTS, SAID LINING SHEET EXTENDING SUBSTANTIALLY FROM SAID DOOR POSTS TO SAID CORNER POSTS AND SPANNING SAID INTERMEDIATE POSTS, SAID LINING SHEET HAVING PORTIONS WITHIN THE EDGES THEREOF WHICH ARE PRESSED OUTWARDLY AT VERTICALLY SPACED INTERVALS, SAID OUTWARDLY PRESSED PORTIONS BEING DISPOSED IN LATERAL ALIGNMENT WITH SAID INTERMEDIATE POSTS, OPENINGS FORMED WITHIN SAID OUTWARDLY PRESSED PORTIONS, AND VERTICAL ANCHOR BARS EXTENDING ACROSS THE OPENINGS AND SECURED TO SAID OUTWARDLY
References Cited (Backward Citations)
US1392472A
Cited
US2532743A
Cited
US2610587A
Cited
US2583257A
Cited
US2601103A
Cited
US2702513A
Cited
US2855866A
Cited
US2813495A
Cited
US2839013A
Cited
US2919663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |