Patent US3311269A successfully refreshed from Google Patents.
US3311269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
All-purpose commodity pneumatic trailer
Assignee: Individual
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Filing: 1965-11-30
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Granted: 1967-03-28
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Expires: 1985-11-30
Abstract
No abstract record available.
Inventors
- 👤 Charles E Mendez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:45
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/60; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2133; Y10T74/2136
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
APPARATUS FOR TRANSPORTING AND DISCHARGING SOLID OR LIQUID MATERIALS COMPRISING: A MOBILE HOPPER FOR CONTAINING THE MATERIAL TO BE TRANSPORTED AND DISCHARGED, SAID HOPPER HAVING SIDE WALLS AND A BOTTOM, A FIRST DISCHARGE OUTLET LEADING FROM ONE SIDE OF THE BOTTOM OF SAID HOPPER FOR CONVEYING FLUIDIZED PULVERULENT MATERIALS AND LIQUIDS OUT OF THE HOPPER, AND VALVE MEANS FOR OPENING AND CLOSING SAID FIRST DISCHARGE OUTLET, A SECOND DISCHARGE OUTLET ON AN OPPOSED SIDE OF SAID HOPPER BOTTOM FOR DISCHARGING NON-PULVERULENT MATERIAL BY GRAVITY, SAID SECOND DISCHARGE OUTLET INCLUDING A DOOR MEANS FOR OPENING AND CLOSING SAID SECOND DISCHARGE OUTLET, AND
Claim 2
Dependent Claim
101 words
APPARATUS FOR TRANSPORTING AND DISCHARGING SOLID OR LIQUID MATERIALS COMPRISING: A MOBILE HOPPER FOR CONTAINING THE MATERIAL TO BE TRANSPORTED AND DISCHARGED, SAID HOPPER HAVING SIDE WALLS AND A BOTTOM, A FIRST DISCHARGE OUTLET LEADING FROM ONE SIDE OF THE BOTTOM OF SAID HOPPER FOR CONVEYING FLUIDIZED PULVERULENT MATERIALS AND LIQUIDS OUT OF THE HOPPER, AND VALVE MEANS FOR OPENING AND CLOSING SAID FIRST DISCHARGE OUTLET, A SECOND DISCHARGE OUTLET ON AN OPPOSED SIDE OF SAID HOPPER BOTTOM FOR DISCHARGING NON-PULVERULENT MATERIAL BY GRAVITY, SAID SECOND DISCHARGE OUTLET INCLUDING A DOOR MEANS FOR OPENING AND CLOSING SAID SECOND DISCHARGE OUTLET, AND
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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |