US3307477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical printing using stencil and moving slot powder metering means
Assignee: OI Glass Inc
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Filing: 1964-09-25
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Granted: 1967-03-07
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Expires: 1984-09-25
Abstract
No abstract record available.
Inventors
- 👤 Richard B Booher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:05
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/12; B41M1/125; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
THE METHOD OF APPLYING A PATTERNED LAYER OF POWDER PARTICLES CAPABLE OF BEING ELECTRICALLY CHARGED TO THE SURFACE OF AN ARTICLE COMPRISING THE STEPS OF SUPPORTING A SUPPLY OF POWDER PARTICLES IN SPACED VERTICAL REGISTRY ABOVE A STENCIL SCREEN HAVING PATTERN-DEFINING APERTURES THERETHROUGH WITH THE SUPPLY OF PARTICLES DISPOSED OVER AN AREA COMPLETELY OVERLYING THE PATTERN APERTURES IN SAID SCREEN, POSITIONING AN ARTICLE IN SPACED VERTICAL REGISTRY BENEATH THE PATTERN APERTURES OF SAID SCREEN, APPLYING ELECTRIC POTENTIALS OF OPPOSITE POLARITY TO SAID ARTICLE AND THE PARTICLES IN SAID SUPPLY, RELEASING A STREAM OF CHARGED PARTICLES FROM A FIRST REGION OF SAID SUPPLY CONSTITUTING A RELATIVELY SMALL PORTION OF THE TOTAL AREA OVER WHICH THE SUPPLY IS DISPOSED, AND CONTINUOUSLY SHIFTING THE REGION OF SAID SUPPLY FROM WHICH THE STREAM OF PARTICLES IS RELEASED TO TRAVERSE SAID STREAM ACROSS THE PATTERN-DEFINING APERTURES OF SAID SCREEN.
Claim 2
Independent Claim
144 words
THE METHOD OF APPLYING A PATTERNED LAYER OF POWDER PARTICLES CAPABLE OF BEING ELECTRICALLY CHARGED TO THE SURFACE OF AN ARTICLE COMPRISING THE STEPS OF SUPPORTING A SUPPLY OF POWDER PARTICLES IN SPACED VERTICAL REGISTRY ABOVE A STENCIL SCREEN HAVING PATTERN-DEFINING APERTURES THERETHROUGH WITH THE SUPPLY OF PARTICLES DISPOSED OVER AN AREA COMPLETELY OVERLYING THE PATTERN APERTURES IN SAID SCREEN, POSITIONING AN ARTICLE IN SPACED VERTICAL REGISTRY BENEATH THE PATTERN APERTURES OF SAID SCREEN, APPLYING ELECTRIC POTENTIALS OF OPPOSITE POLARITY TO SAID ARTICLE AND THE PARTICLES IN SAID SUPPLY, RELEASING A STREAM OF CHARGED PARTICLES FROM A FIRST REGION OF SAID SUPPLY CONSTITUTING A RELATIVELY SMALL PORTION OF THE TOTAL AREA OVER WHICH THE SUPPLY IS DISPOSED, AND CONTINUOUSLY SHIFTING THE REGION OF SAID SUPPLY FROM WHICH THE STREAM OF PARTICLES IS RELEASED TO TRAVERSE SAID STREAM ACROSS THE PATTERN-DEFINING APERTURES OF SAID SCREEN.
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |