US2815330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Generator of aerosol of powder in gas
Assignee: Xerox Corp
•
Filing: 1955-04-29
•
Granted: 1957-12-03
•
Expires: 1975-04-29
Abstract
No abstract record available.
Inventors
- 👤 Paul G Andrus
- 👤 Matthews Earnest Paul
- 👤 Eugene C Ricker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:05
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/08; G03G15/0803; Y; Y10; Y10S; Y10S222/00; Y10S222/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A GENERATOR OF AN AEROSOL OF POWDER PARTICLES FOR DEVELOPMENT OF XEROGRAPHIC IMAGES COMPRISING A GAS TIGHT HOUSING, AN INPUT TUBE, AN OUTPUT TUBE HAVING AN INTERNAL OPENING WITHIN THE HOUSING AND AN EXTERNAL OPENING EXTENDING OUTSIDE SAID HOUSING, SAID INPUT TUBE ADAPTED TO SUPPLY A FLOW OF GAS TO SAID HOUSING FROM A COMPRESSED GAS SOURCE AT A SUFFICIENT PRESSURE TO FORM AN AEROSOL OF POWDER PARTICLES AT THE INTERNAL OPENING OF THE OUTPUT TUBE, SAID OUTPUT TUBE ADAPTED TO FEED AN AEROSOL OF POWDER PARTICLES FROM SAID HOUSING, A POROUS TAPE OF MATERIAL ADAPTED TO HOLD POWDER PARTICLES, RELEASABLE TO GAS FLOW THROUGH SAID TAPE, POSITIONED WITHIN SAID HOUSING, AND MEANS WITHIN SAID HOUSING TO POSITION A PORTION OF THE TAPE OF MATERIAL OVER THE INTERNAL OPENING OF THE OUTPUT TUBE, SAID INPUT TUBE BEING POSITIONED RELATIVE TO SAID OUTPUT TUBE TO FEED COMPRESSED GAS INTO SAID HOUSING AND THEN THROUGH THE PORTION OF THE TAPE MATERIAL OVER THE INTERNAL OPENING OF THE OUTPUT TUBE AND THEN OUT SAID OUTPUT TUBE.
Claim 2
Dependent Claim
173 words
A GENERATOR OF AN AEROSOL OF POWDER PARTICLES FOR DEVELOPMENT OF XEROGRAPHIC IMAGES COMPRISING A GAS TIGHT HOUSING, AN INPUT TUBE, AN OUTPUT TUBE HAVING AN INTERNAL OPENING WITHIN THE HOUSING AND AN EXTERNAL OPENING EXTENDING OUTSIDE SAID HOUSING, SAID INPUT TUBE ADAPTED TO SUPPLY A FLOW OF GAS TO SAID HOUSING FROM A COMPRESSED GAS SOURCE AT A SUFFICIENT PRESSURE TO FORM AN AEROSOL OF POWDER PARTICLES AT THE INTERNAL OPENING OF THE OUTPUT TUBE, SAID OUTPUT TUBE ADAPTED TO FEED AN AEROSOL OF POWDER PARTICLES FROM SAID HOUSING, A POROUS TAPE OF MATERIAL ADAPTED TO HOLD POWDER PARTICLES, RELEASABLE TO GAS FLOW THROUGH SAID TAPE, POSITIONED WITHIN SAID HOUSING, AND MEANS WITHIN SAID HOUSING TO POSITION A PORTION OF THE TAPE OF MATERIAL OVER THE INTERNAL OPENING OF THE OUTPUT TUBE, SAID INPUT TUBE BEING POSITIONED RELATIVE TO SAID OUTPUT TUBE TO FEED COMPRESSED GAS INTO SAID HOUSING AND THEN THROUGH THE PORTION OF THE TAPE MATERIAL OVER THE INTERNAL OPENING OF THE OUTPUT TUBE AND THEN OUT SAID OUTPUT TUBE.
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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) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |