Patent US3606087A successfully refreshed from Google Patents.
US3606087A
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Powder spray equipment for offset prevention
Assignee: Ortman Mccain Co
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Filing: 1967-08-11
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Granted: 1971-09-20
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Expires: 1987-08-11
Abstract
Abstract EQUIPMENT FOR SPRAYING POWDER ON FRESHLY PRINTED SHEETS OF PAPER TO PREVENT OFFSET. A COMPRESSED AIR LINE DISCHARGES FROM A NOZZLE DIRECTED TOWARD THE SHEET OF PAPER AND HAS A SIDE INLET THAT PICKS UP THE POWDER FROM A CONTAINER. TO EFFECT SUCH PICK-UP, COMPRESSED AIR PRESSURIZES THE POWDER CONTAINER. THE POWDER IS AGITATED IN TO CONTAINER SO AS TO FORM A CLOUD. TO INSURE UNIFORM CONSISTENCY OF THE CLOUD A CONSTANT LEVEL OF POWDER IS MAINTAINED IN THE CONTAINER.
Inventors
- 👤 Laurice W Ortman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:57
CPC Classifications
B; B05; B05C; B05C19/00; B05C19/06; B41; B41F; B41F23/00; B41F23/04; B41F23/06; Y; Y10; Y10S; Y10S101/00; Y10S101/34; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |