Patent US3307495A successfully refreshed from Google Patents.
US3307495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway car
Assignee: Evans Products Co
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Filing: 1965-02-09
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Granted: 1967-03-07
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Expires: 1985-02-09
Abstract
No abstract record available.
Inventors
- 👤 Harvey W Chapman
- 👤 Gilbert F Oakley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:30
CPC Classifications
B; B61; B61D; B61D3/00; B61D3/16; B61D39/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
238 words
IN A RAILWAY CAR ADAPTED TO CARRY COILED STEEL AND THE LIKE AND HAVING MEANS PROVIDING A BED FOR SUPPORTING THE COILED STEEL OR THE LIKE AND A CAR BODY SUPPORTING SAID BED, SAID CAR BODY AND SAID BED BEING SUPPORTED UPON TRUCKS AND BEING DEFLECTED IN A VERTICAL DIRECTION BETWEEN SAID TRUCKS IN RESPONSE TO THE CARRYING OF A LOAD THEREUPON, MEANS FOR SELECTIVELY COVERING AND UNCOVERING THE COILED STEEL AND THE LIKE AND COMPRISING COVER HALVES ADAPTED TO EXTEND LONGITUDINALLY OF SAID BODY AND CLOSE OVER SAID BED, MEANS CONNECTED TO EACH OF SAID COVER HALVES ADAPTED TO BE CONNECTED TO SAID CAR BODY AT THE RESPECTIVE SIDES THEREOF TO PROVIDE THE SOLE VERTICAL SUPPORT FOR SAID COVER HALVES AND TO SUPPORT EACH COVER HALF ON SAID CAR BODY FOR PIVOTAL MOVEMENT RELATIVE TO SAID BODY BETWEEN A CLOSED POSITION IN WHICH SAID COVER HALVES COVER SAID BED AND AN OPEN POSITION IN WHICH COILED STEEL OR THE LIKE MAY BE LOADED ON OR UNLOADED FROM SAID BED, AT LEAST ONE OF SAID LAST NAMED MEANS BEING SPACED LONGITUDINALLY FROM SAID TRUCKS IN A POSITION WHEREIN SAID BED AND SAID CAR BODY UNDERGO SUBSTANTIAL VERTICAL DEFLECTION UNDER THE EXPERIENCE OF LOADING THEREUPON, SAID ONE LAST NAMED MEANS PROVIDING FOR SUCH VERTICAL DEFLECTION OF SAID BED AND SAID CAR BODY WITHOUT ACCOMPANYING VERTICAL DEFLECTION OF THE POINT OF PIVOTAL SUPPORT FOR SAID COVER HALF PROVIDED FOR THEREBY.
Claim 2
Dependent Claim
238 words
IN A RAILWAY CAR ADAPTED TO CARRY COILED STEEL AND THE LIKE AND HAVING MEANS PROVIDING A BED FOR SUPPORTING THE COILED STEEL OR THE LIKE AND A CAR BODY SUPPORTING SAID BED, SAID CAR BODY AND SAID BED BEING SUPPORTED UPON TRUCKS AND BEING DEFLECTED IN A VERTICAL DIRECTION BETWEEN SAID TRUCKS IN RESPONSE TO THE CARRYING OF A LOAD THEREUPON, MEANS FOR SELECTIVELY COVERING AND UNCOVERING THE COILED STEEL AND THE LIKE AND COMPRISING COVER HALVES ADAPTED TO EXTEND LONGITUDINALLY OF SAID BODY AND CLOSE OVER SAID BED, MEANS CONNECTED TO EACH OF SAID COVER HALVES ADAPTED TO BE CONNECTED TO SAID CAR BODY AT THE RESPECTIVE SIDES THEREOF TO PROVIDE THE SOLE VERTICAL SUPPORT FOR SAID COVER HALVES AND TO SUPPORT EACH COVER HALF ON SAID CAR BODY FOR PIVOTAL MOVEMENT RELATIVE TO SAID BODY BETWEEN A CLOSED POSITION IN WHICH SAID COVER HALVES COVER SAID BED AND AN OPEN POSITION IN WHICH COILED STEEL OR THE LIKE MAY BE LOADED ON OR UNLOADED FROM SAID BED, AT LEAST ONE OF SAID LAST NAMED MEANS BEING SPACED LONGITUDINALLY FROM SAID TRUCKS IN A POSITION WHEREIN SAID BED AND SAID CAR BODY UNDERGO SUBSTANTIAL VERTICAL DEFLECTION UNDER THE EXPERIENCE OF LOADING THEREUPON, SAID ONE LAST NAMED MEANS PROVIDING FOR SUCH VERTICAL DEFLECTION OF SAID BED AND SAID CAR BODY WITHOUT ACCOMPANYING VERTICAL DEFLECTION OF THE POINT OF PIVOTAL SUPPORT FOR SAID COVER HALF PROVIDED FOR THEREBY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |