US3307496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway car construction
Assignee: Illinois Railway Equipment Co
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Filing: 1965-04-12
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Granted: 1967-03-07
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Expires: 1985-04-12
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Sweger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:04
CPC Classifications
B; B61; B61D; B61D45/00; B61D45/008
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
142 words
IN A RAILWAY CAR FOR TRANSPORTING PACKAGED LADING SUCH AS LUMBER AND THE LIKE SUBJECT TO ENDWISE DISPLACEMENT IN ONE DIRECTION OR THE OTHER DUE TO ACCELERATION OR DECELERATION OF THE CAR, IN COMBINATION, A SIDE SILL EXTENDING ALONG SAID CAR, AN ELONGATED HOUSING SECURED AGAINST ENDWISE MOVEMENT TO AND EXTENDING LENGTHWISE OF SAID SIDE SILL, A CARRIER MOUNTED FOR MOVEMENT ENDWISE OF AND NORMALLY OCCUPYING A CENTRAL POSITION WITH RESPECT TO SAID HOUSING AND PROJECTING THEREABOVE TO RECEIVE FLATWISE THE PACKAGED LADING, SPRING MEANS REACTING BETWEEN EACH END OF SAID ELONGATED HOUSING AND THE RESPECTIVE SIDE OF SAID CARRIER FOR APPLYING BIASING FORCES TO SAID CARRIER TENDING TO RESTORE IT AND THE PACKAGED LADING THEREON TO SAID CENTRAL POSITION ON CESSATION OF THE ACCELERATION OR DECELERATION CAUSING SUCH DISPLACEMENT, AND ANTIFRICTION ROLLER MEANS INTERPOSED BETWEEN SAID ELONGATED HOUSING AND SAID CARRIER.
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 |