Patent US3114482A successfully refreshed from Google Patents.
US3114482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for dispensing dry powdered material
Assignee: Individual
•
Filing: 1962-04-30
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Granted: 1963-12-17
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Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Ralph H Dunaway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:14
CPC Classifications
B; B41; B41F; B41F23/00; B41F23/04; B41F23/06; Y; Y10; Y10S; Y10S118/00; Y10S118/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
AN APPARATUS FOR DISPENSING DRY HIGHLY PARTICULATE MATERIAL COMPRISING A FRAME, A CONDUCTIVE CYLINDRICAL ROLLER JOURNALED IN SAID FRAME, A SUBSTANTIALLY FLAT BLADE IN SAID FRAME LONGITUDINALLY EXTENDING WITH SAID ROLLER AND RESILIENTLY URGED INTO TANGENTIAL ENGAGEMENT WITH THE LOWER PERIPHERY THEREOF TO DEFINE A RESERVOIR FOR RETAINING THE PARTICULATE MATERIAL, A CATCHER PAN LONGITUDINALLY POSITIONED BELOW THE LINE OF TANGENCY, ELECTROSTATIC FIELD PRODUCING MEANS EXTENDING LONGITUDINALLY WITH SAID ROLLER AND ADJACENTLY SPACED FROM THE LOWER PERIPHERY THEREOF, AND MEANS FOR PROVIDING CURTAINS OF AIR DIRECTED DOWN-
Claim 2
Independent Claim
87 words
AN APPARATUS FOR DISPENSING DRY HIGHLY PARTICULATE MATERIAL COMPRISING A FRAME, A CONDUCTIVE CYLINDRICAL ROLLER JOURNALED IN SAID FRAME, A SUBSTANTIALLY FLAT BLADE IN SAID FRAME LONGITUDINALLY EXTENDING WITH SAID ROLLER AND RESILIENTLY URGED INTO TANGENTIAL ENGAGEMENT WITH THE LOWER PERIPHERY THEREOF TO DEFINE A RESERVOIR FOR RETAINING THE PARTICULATE MATERIAL, A CATCHER PAN LONGITUDINALLY POSITIONED BELOW THE LINE OF TANGENCY, ELECTROSTATIC FIELD PRODUCING MEANS EXTENDING LONGITUDINALLY WITH SAID ROLLER AND ADJACENTLY SPACED FROM THE LOWER PERIPHERY THEREOF, AND MEANS FOR PROVIDING CURTAINS OF AIR DIRECTED DOWN-
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) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |