Patent US3242879A successfully refreshed from Google Patents.
US3242879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railroad transportation of large transformers
Assignee: General Electric Co
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Filing: 1963-11-07
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Granted: 1966-03-29
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Expires: 1983-11-07
Abstract
No abstract record available.
Inventors
- 👤 Louis R Broulund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:08
CPC Classifications
B; B61; B61D; B61D3/00; B61D3/16; B61D3/166
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
123 words
IN CONBINATION, AN OPEN CENTER RAILROAD CAR OF THE PARALLEL SIDE-GIRDER DEPRESSED-CENTER TYPE, SAID SIDE-GIRDERS HAVING CURVED STEP PORTIONS OVER THE INNER WHEELS OF SAID CAR INTEGRALLY JOINED BY DEPRESSED FLAT CENTER PORTIONS AND BEING LATERALLY SPACED APART, LOAD-BEARING PADS MOUNTED UPON SAID GIRDERS AT THE TOP OF SAID CURVED STEP PORTIONS, A LARGE ELECTRIC POWER TRANSFORMER POSITIONED BETWEEN SAID SIDE-GIRDERS AND MOUNTED UPON SAID BEARING PADS, SAID TRANSFORMER COMPRISING A RECTANGULAR CORE OF A WIDTH LESS THAN THE LATERAL SPACING BETWEEN SAID SIDE-GIRDERS AND INCLUDING A HORIZONTAL BOTTOM YOKE AND AT LEAST THREE VERTICAL LEGS, SAID LEGS COMPRISING A PAIR OF END LEGS AT THE EXTREMITIES OF SAID YOKE AND AT LEAST ONE INTERMEDIATE LEG, A CURRENT-CARRYING COIL POSITIONED UPON SAID INTERMEDIATE
References Cited (Backward Citations)
US951239A
Cited
FR557885A
Cited
US2017414A
Cited
US2341903A
Cited
US3164793A
Cited
US3147715A
Cited
US3116086A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |