US3206076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trailer construction
Assignee: Fruehauf Corp
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Filing: 1964-04-03
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Granted: 1965-09-14
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Expires: 1984-04-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Brackett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:15
CPC Classifications
B; B62; B62D; B62D21/00; B62D21/14; B60; B60P; B60P1/00; B60P1/56; B62D53/00; B62D53/04; B62D53/06; B62D53/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A HEAVY DUTY OVER-THE-ROAD VEHICLE COMPRISING A SUBSTANTIALLY FLAT BED, A HOPPER DEPENDING FROM SAID FLAT BED, A DISCHARGE GATE AT THE LOWER END OF SAID HOPPER, MEANS IN SAID HOPPER FOR SUPPORTING A COLLAPSIBLE CONTAINER; A FLEXIBLE COLLAPSIBLE CONTAINER SUPERIMPOSED ABOVE SAID HOPPER AND HAVING A LOWER END PORTION SEALABLY CONNECTED THERETO, A PLURALITY OF VERTICALLY EXTENDING TUBES ON THE SIDE WALLS OF SAID CONTAINER FOR THE ACCEPTANCE OF HIGH PRESSURE FLUID TO BIAS SAID CONTAINER TO AN UPWARDLY EXTENDING CONDITION RELATIVE TO SAID FLAT BED, AN INTAKE HATCH ON THE TOP OF SAID CONTAINER FOR THE ACCEPTANCE OF MATERIALS, AND A PLURALITY OF VERTICALLY SPACED RINGS SURROUNDING SAID CONTAINER FOR REINFORCING SAID CONTAINER IN THE UPRIGHT CONDITION, THE INTAKE HATCH ON SAID CONTAINER BEING SUPPORTED BY SAID SUPPORTING MEANS WHEN SAID CONTAINER IS COLLAPSED INTO SAID HOPPER.
Claim 2
Dependent Claim
139 words
A HEAVY DUTY OVER-THE-ROAD VEHICLE COMPRISING A SUBSTANTIALLY FLAT BED, A HOPPER DEPENDING FROM SAID FLAT BED, A DISCHARGE GATE AT THE LOWER END OF SAID HOPPER, MEANS IN SAID HOPPER FOR SUPPORTING A COLLAPSIBLE CONTAINER; A FLEXIBLE COLLAPSIBLE CONTAINER SUPERIMPOSED ABOVE SAID HOPPER AND HAVING A LOWER END PORTION SEALABLY CONNECTED THERETO, A PLURALITY OF VERTICALLY EXTENDING TUBES ON THE SIDE WALLS OF SAID CONTAINER FOR THE ACCEPTANCE OF HIGH PRESSURE FLUID TO BIAS SAID CONTAINER TO AN UPWARDLY EXTENDING CONDITION RELATIVE TO SAID FLAT BED, AN INTAKE HATCH ON THE TOP OF SAID CONTAINER FOR THE ACCEPTANCE OF MATERIALS, AND A PLURALITY OF VERTICALLY SPACED RINGS SURROUNDING SAID CONTAINER FOR REINFORCING SAID CONTAINER IN THE UPRIGHT CONDITION, THE INTAKE HATCH ON SAID CONTAINER BEING SUPPORTED BY SAID SUPPORTING MEANS WHEN SAID CONTAINER IS COLLAPSED INTO SAID HOPPER.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |