Patent US1054902A successfully refreshed from Google Patents.
Patent US2995461A successfully refreshed from Google Patents.
US2995461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coatings
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1956-04-02
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Granted: 1961-08-08
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Expires: 1976-04-02
Abstract
No abstract record available.
Inventors
- 👤 James L Boicey
- 👤 Charles M Browne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:59
CPC Classifications
C; C03; C03C; C03C23/00; C03C17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
IN A METHOD OF FORMING A FILM ON SELECTED AREAS ONLY OF A SUPPORT BODY, THE STEPS OF PLACING ON THE SUPPORT BODY OVER THE AREAS WHERE IT IS DESIRED TO PREVENT THE FORMATION OF THE FILM A SUSPENSION, IN A LACQUER-LIKE VEHICLE COMPRISING A MIXTURE OF AN ORGANIC ANHYDROUS LIQUID AND A MISCIBLE BINDER, OF A FINELY MILLED INORGANIC THERMALLY STABLE WATER SOLUBLE MASKING MATERIAL THAT IS INERT TO SAID SUPPORT BODY UNDER HEAT, WHICH SUSPENSION FORMS A POST-FIRING RESIDUE IMPERVIOUS TO THE FILMING MATERIAL BUT READILY REMOVED BY WATER WASHING.
Claim 2
Dependent Claim
92 words
IN A METHOD OF FORMING A FILM ON SELECTED AREAS ONLY OF A SUPPORT BODY, THE STEPS OF PLACING ON THE SUPPORT BODY OVER THE AREAS WHERE IT IS DESIRED TO PREVENT THE FORMATION OF THE FILM A SUSPENSION, IN A LACQUER-LIKE VEHICLE COMPRISING A MIXTURE OF AN ORGANIC ANHYDROUS LIQUID AND A MISCIBLE BINDER, OF A FINELY MILLED INORGANIC THERMALLY STABLE WATER SOLUBLE MASKING MATERIAL THAT IS INERT TO SAID SUPPORT BODY UNDER HEAT, WHICH SUSPENSION FORMS A POST-FIRING RESIDUE IMPERVIOUS TO THE FILMING MATERIAL BUT READILY REMOVED BY WATER WASHING.
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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) | 1964-08-07 | 1965-02-06 | 1965-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-07 | 1969-02-06 | 1969-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-07 | 1973-02-06 | 1973-08-08 | $7700.00 | Window Closed / Lapsed |