US3201274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for coating screens
Assignee: Individual
•
Filing: 1960-10-03
•
Granted: 1965-08-17
•
Expires: 1980-10-03
Abstract
No abstract record available.
Inventors
- 👤 Jr William Hobbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:31
CPC Classifications
C; C09; C09D; C09D129/00; C09D129/02; C09D129/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A METHOD OF PROVIDING WINTER PROTECTION FOR A HOUSEHOLD HAVING INSECT SCREENING COMPRISING MIXING ABOUT 5 TO 20 PARTS POLYVINYL ALCOHOL WITH 100 PARTS OF WATER TO FORM A GELATINOUS LIKE SOLUTION, THEN APPLYING SAID SOLUTION TO THE SCREENING UNIFORMLY AND IN A LIMITED AMOUNT TO FORM A THIN COATING OVER THE SCREEN AND CLOSING THE INTERSTICES IN THE SCREENING, AND THEN DRYING THE COATING TO RENDER THE SCREENING IMPERVIOUS TO AIR, RAIN AND WEATHER, AND THEN THEREAFTER REMOVING SAID COATING TO RETURN THE SCREENING TO ITS ORGINAL CONDITION, TO THINNESS OF SAID COATING BEING SUCH THAT IT MAY BE READILY REMOVED WHEN DESIRED BY THE APPLICATION OF HOT WATER.
Claim 2
Independent Claim
110 words
A METHOD OF PROVIDING WINTER PROTECTION FOR A HOUSEHOLD HAVING INSECT SCREENING COMPRISING MIXING ABOUT 5 TO 20 PARTS POLYVINYL ALCOHOL WITH 100 PARTS OF WATER TO FORM A GELATINOUS LIKE SOLUTION, THEN APPLYING SAID SOLUTION TO THE SCREENING UNIFORMLY AND IN A LIMITED AMOUNT TO FORM A THIN COATING OVER THE SCREEN AND CLOSING THE INTERSTICES IN THE SCREENING, AND THEN DRYING THE COATING TO RENDER THE SCREENING IMPERVIOUS TO AIR, RAIN AND WEATHER, AND THEN THEREAFTER REMOVING SAID COATING TO RETURN THE SCREENING TO ITS ORGINAL CONDITION, TO THINNESS OF SAID COATING BEING SUCH THAT IT MAY BE READILY REMOVED WHEN DESIRED BY THE APPLICATION OF HOT WATER.
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |