Patent US3140018A successfully refreshed from Google Patents.
US3140018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powder dispensing unit
Assignee: Individual
•
Filing: 1962-10-15
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Granted: 1964-07-07
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:09
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/0015; B01J8/002; B29; B29C; B29C31/00; B29C31/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
APPARATUS FOR DISPENSING FLOWABLE POWDERY MATERIALS INCLUDING MEANS FOR STORING A QUANTITY OF THE MATERIAL, A HOUSING FOR RECEIVING BY GRAVITY FLOW THE MATERIAL FROM THE STORING MEANS, A TUBE FOR RECEIVING BY GRAVITY FLOW THE MATERIAL FROM THE HOUSING, A HOLLOW CYLINDER ROTATABLY MOUNTED IN THE HOUSING, SAID CYLINDER HAVING AN OPENING ADAPTED TO BE TURNED TO LOAD POSITION TO RECEIVE THE MATERIAL FROM THE STORING MEANS AND TO UNLOAD POSITION TO DISCHARGE THE MATERIAL TO THE TUBE, MOTOR MEANS TO TURN THE CYLINDER TO AND FROM LOAD AND UNLOAD POSITION, MEANS CONTROLLING THE MOTOR MEANS, ROD MEANS OPERABLE FROM OUTSIDE THE HOUSING FOR CHANGING THE INTERNAL SIZE OF THE HOLLOW CYLINDER, AND AN INFLATABLE BELLOWS-DIAPHRAGM MOUNTED ON THE MEANS FOR CHANGING THE INTERNAL SIZE OF THE HOLLOW CYLINDER.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |