Patent US3337094A successfully refreshed from Google Patents.
US3337094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grain storage container
Assignee: Massey Ferguson Farm Services Ltd
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Filing: 1965-05-04
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Granted: 1967-08-22
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Expires: 1985-05-04
Abstract
No abstract record available.
Inventors
- 👤 Houston Donald Brenner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:58
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/0046; B28C7/0053; B65; B65D; B65D88/00; B65D88/54; B65D88/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
APPARATUS FOR STORING AND DISPENSING PARTICULATE MATERIAL COMPRISING: A HOLLOW CONTAINER, AN OPENING IN THE CONTAINER THROUGH WHICH MATERIAL IS WITHDRAWN FROM THE CONTAINER, AT LEAST ONE FLUID PRESSURE RESPONSIVE, EXPANSIBLE AND CONTRACTABLE MEMBER SUSPENDED FROM ONE END WITHIN SAID CONTAINER SO AS TO EXTEND INTO AND BE SURROUNDED BY THE PARTICULATE MATERIAL, AND MEANS FOR SELECTIVELY PRESSURIZING AND VENTING SAID MEMBER TO LOOSEN COAGULATED PARTICULATE MATERIAL SURROUNDING SAID MEMBER TO PERMIT THE MATERIAL TO BE WITHDRAWN FROM THE CONTAINER THROUGH SAID OPENING.
Claim 2
Dependent Claim
83 words
APPARATUS FOR STORING AND DISPENSING PARTICULATE MATERIAL COMPRISING: A HOLLOW CONTAINER, AN OPENING IN THE CONTAINER THROUGH WHICH MATERIAL IS WITHDRAWN FROM THE CONTAINER, AT LEAST ONE FLUID PRESSURE RESPONSIVE, EXPANSIBLE AND CONTRACTABLE MEMBER SUSPENDED FROM ONE END WITHIN SAID CONTAINER SO AS TO EXTEND INTO AND BE SURROUNDED BY THE PARTICULATE MATERIAL, AND MEANS FOR SELECTIVELY PRESSURIZING AND VENTING SAID MEMBER TO LOOSEN COAGULATED PARTICULATE MATERIAL SURROUNDING SAID MEMBER TO PERMIT THE MATERIAL TO BE WITHDRAWN FROM THE CONTAINER THROUGH SAID OPENING.
References Cited (Backward Citations)
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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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |