US3240400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry detergent feeder
Assignee: Diversey Wyandotte Corp
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Filing: 1963-12-23
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Granted: 1966-03-15
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Gail A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:59
CPC Classifications
B; B65; B65B; B65B1/00; B65B1/04; B65B1/10; B65D; B65D88/00; B65D88/54; B65D88/64; B65D88/68
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A DISPENSING DEVICE FOR POWDERED MATERIALS WHICH WILL NOT EASILY FLOW DOWN AN INCLINED SURFACE WHEREIN THE MATERIAL IS NOT UNDULY AGITATED OR AERATED AND THE DISPENSING DEVICE DOES NOT TEND TO CLASSIFY MATERIALS OF VARYING PARTICLE SIZE ACCORDING TO PARTICLE SIZE, COMPRISING A FLATBOTTOM CONTAINER, A CENTRALLY DISPOSED VERTICAL CYLINDRICAL FEED CASING EXTENDING DOWNWARD FROM THE BOTTOM OF SAID CONTAINER AND IN OPEN COMMUNICATION THEREWITH, A SHAFT OF RECTANGULAR CROSS-SECTION EXTENDING DOWN INTO THE CONTAINER AND SUBSTANTIALLY TO THE BOTTOM THEREOF, THE MAXIMUM WIDTH OF SAID SHAFT BEING GREATER THAN ONE-TENTH AND LESS THAN ONE-HALF THE WIDTH OF SAID CONTAINER, AN AUGER FEEDER MOUNTED COAXIALLY ON THE LOWER END OF SAID SHAFT AND WITHIN SAID FEED CASING, MEANS FOR ROTATING SAID SHAFT AND MEANS ADAPTED TO CONTACT THE UPPER SURFACE OF ANY MATERIAL IN SAID CONTAINER WHICH MEANS IS ADAPTED TO FOLLOW SAID SURFACE DOWNWARD AS THE MATERIAL IS DISPENSED.
Claim 2
Dependent Claim
151 words
A DISPENSING DEVICE FOR POWDERED MATERIALS WHICH WILL NOT EASILY FLOW DOWN AN INCLINED SURFACE WHEREIN THE MATERIAL IS NOT UNDULY AGITATED OR AERATED AND THE DISPENSING DEVICE DOES NOT TEND TO CLASSIFY MATERIALS OF VARYING PARTICLE SIZE ACCORDING TO PARTICLE SIZE, COMPRISING A FLATBOTTOM CONTAINER, A CENTRALLY DISPOSED VERTICAL CYLINDRICAL FEED CASING EXTENDING DOWNWARD FROM THE BOTTOM OF SAID CONTAINER AND IN OPEN COMMUNICATION THEREWITH, A SHAFT OF RECTANGULAR CROSS-SECTION EXTENDING DOWN INTO THE CONTAINER AND SUBSTANTIALLY TO THE BOTTOM THEREOF, THE MAXIMUM WIDTH OF SAID SHAFT BEING GREATER THAN ONE-TENTH AND LESS THAN ONE-HALF THE WIDTH OF SAID CONTAINER, AN AUGER FEEDER MOUNTED COAXIALLY ON THE LOWER END OF SAID SHAFT AND WITHIN SAID FEED CASING, MEANS FOR ROTATING SAID SHAFT AND MEANS ADAPTED TO CONTACT THE UPPER SURFACE OF ANY MATERIAL IN SAID CONTAINER WHICH MEANS IS ADAPTED TO FOLLOW SAID SURFACE DOWNWARD AS THE MATERIAL IS DISPENSED.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |