Patent US3061458A successfully refreshed from Google Patents.
US3061458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insolubilization of coatings
Assignee: Airco Inc
•
Filing: 1960-12-20
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Granted: 1962-10-30
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Expires: 1980-12-20
Abstract
No abstract record available.
Inventors
- 👤 Gordon J Arquette
- 👤 Reich Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:30
CPC Classifications
D; D21; D21H; D21H25/00; D21H25/04; D21H25/06; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31725; Y10T428/31768; Y10T428/31772; Y10T428/31775
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
71 words
A PROCESS FOR RENDERING WATER RESISTANT, PAPER COATED WITH A COATING AGENT SELECTED FROM THE GROUP CONSISTING OF POLYVINYL ALCOHOL AND CASEIN, COMPRISING MOISTENING SAID COATED PAPER WITH WATER, AND EXPOSING SAID PAPER TO A LOW ENERGY ELECTRICAL DISCHARGE HAVING A FIELD STRENGTH OF ABOUT 200-20,000 VOLTS PER CENTIMETER AND HAVING A CURRENT DENSITY OF ABOUT 1 MICROAMPERE PER SQUARE CENTIMETER AT A PRESSURE OF FROM APPROXIMATELY ONE-HALF TO ONE ATMOSPHERE.
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |