US3223290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bottom discharge container with agitator
Assignee: Individual
•
Filing: 1963-12-23
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Granted: 1965-12-14
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Schuld Leo Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:11
CPC Classifications
A; A01; A01K; A01K5/00; A01K5/02; A01K5/0225; B; B65; B65D; B65D88/00; B65D88/54; B65D88/64; B65D88/68; Y; Y10; Y10S; Y10S366/00; Y10S366/607
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A DEVICE FOR USE WITHIN A BULK STORAGE HOPPER FOR LOOSENING MATERIALS STORED IN SAID HOPPER COMPRISING IN COMBINATION A ROTATABLE SHAFT WITHIN SAID HOPPER, DRIVE MEANS FOR ROTATING SAID SHAFT, A PLURALITY OF NON-RIGID SUBSTANTIALLY UNIFORM ELONGATED MEMBERS EACH AFFIXED AT ONLY ITS UPPER END EXTREMITY TO SAID SHAFT, SAID ELONGATED MEMBERS EACH BEING DISPOSED AT A DIFFERENT HEIGHT ON SAID SHAFT AND BEING ENABLED TO SWING OUTWARDLY AND UPWARDLY IN RESPONSE TO CENTRIFUGAL FORCE WHEN SAID SHAFT IS ROTATED, EACH MEMBER BEING LONGER THAN THE MEMBER ATTACHED TO THE SHAFT BELOW IT, SAID MEMBERS DISPOSED TO EXTEND OUTWARD IN RESPONSE TO CENTRIFUGAL FORCE WHEN SAID SHAFT IS ROTATED, AND TO DEPEND DOWNWARD WHEN SAID SHAFT IS NOT ROTATED, EACH OF SAID ELONGATED MEMBERS BEING SLIGHTLY SHORTER THAN THE DISTANCE FROM SAID SHAFT TO THE SIDES OF SAID ENCLOSURE AT THE ELEVATION AT WHICH EACH OF SAID MEMBERS IS AFFIXED TO SAID SHAFT, SAID ELONGATED MEMBERS CAUSING BULK MATERIALS, TO BECOME FREE FLOWING
Claim 2
Independent Claim
164 words
A DEVICE FOR USE WITHIN A BULK STORAGE HOPPER FOR LOOSENING MATERIALS STORED IN SAID HOPPER COMPRISING IN COMBINATION A ROTATABLE SHAFT WITHIN SAID HOPPER, DRIVE MEANS FOR ROTATING SAID SHAFT, A PLURALITY OF NON-RIGID SUBSTANTIALLY UNIFORM ELONGATED MEMBERS EACH AFFIXED AT ONLY ITS UPPER END EXTREMITY TO SAID SHAFT, SAID ELONGATED MEMBERS EACH BEING DISPOSED AT A DIFFERENT HEIGHT ON SAID SHAFT AND BEING ENABLED TO SWING OUTWARDLY AND UPWARDLY IN RESPONSE TO CENTRIFUGAL FORCE WHEN SAID SHAFT IS ROTATED, EACH MEMBER BEING LONGER THAN THE MEMBER ATTACHED TO THE SHAFT BELOW IT, SAID MEMBERS DISPOSED TO EXTEND OUTWARD IN RESPONSE TO CENTRIFUGAL FORCE WHEN SAID SHAFT IS ROTATED, AND TO DEPEND DOWNWARD WHEN SAID SHAFT IS NOT ROTATED, EACH OF SAID ELONGATED MEMBERS BEING SLIGHTLY SHORTER THAN THE DISTANCE FROM SAID SHAFT TO THE SIDES OF SAID ENCLOSURE AT THE ELEVATION AT WHICH EACH OF SAID MEMBERS IS AFFIXED TO SAID SHAFT, SAID ELONGATED MEMBERS CAUSING BULK MATERIALS, TO BECOME FREE FLOWING
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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |