US3190769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for and method of making zirconia glass coatings
Assignee: Avco Corp
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Filing: 1963-07-01
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Granted: 1965-06-22
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 Vasilos Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:04
CPC Classifications
C; C23; C23C; C23C24/00; C23C4/00; C23C4/04; C23C4/10; C23C4/11
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
38 words
A ROD FOR FLAME SPRAYING TO COAT ARTICLES COMPRISING ESSENTIALLY ZIRCONIA AND GLASS PARTICLES IN THE PROPORTIONS OF 60-85% ZIRCONIA AND THE BALANCE 40-15% BOROSILICATE GLASS, RESPECTIVELY, BY WEIGHT, SAID PARTICLES BEING SINTERED INTO AN INTEGRAL RIGID STRUCTURE.
Claim 2
Dependent Claim
38 words
A ROD FOR FLAME SPRAYING TO COAT ARTICLES COMPRISING ESSENTIALLY ZIRCONIA AND GLASS PARTICLES IN THE PROPORTIONS OF 60-85% ZIRCONIA AND THE BALANCE 40-15% BOROSILICATE GLASS, RESPECTIVELY, BY WEIGHT, SAID PARTICLES BEING SINTERED INTO AN INTEGRAL RIGID STRUCTURE.
Claim 3
Dependent Claim
48 words
A PROCESS OF MAKING AN IMPERVIOUS SUBSTANTIALLY ZIRCONIA COATING ON A SUBSTRATE COMPRISING FLAME SPRAYING A COMPOSITE OF ESSENTIALLY PRESINTERED ZIRCONIA AND GLASS PARTICLES ON SAID SUBSTRATE, THE ZIRCONIA AND GLASS PARTICLES BEING IN THE PROPORTIONS OF 60-85% ZIRCONIA AND THE BALANCE 40-15% BOROSILICATE GLASS, RESPECTIVELY, BY WEIGHT.
Claim 4
Dependent Claim
48 words
A PROCESS OF MAKING AN IMPERVIOUS SUBSTANTIALLY ZIRCONIA COATING ON A SUBSTRATE COMPRISING FLAME SPRAYING A COMPOSITE OF ESSENTIALLY PRESINTERED ZIRCONIA AND GLASS PARTICLES ON SAID SUBSTRATE, THE ZIRCONIA AND GLASS PARTICLES BEING IN THE PROPORTIONS OF 60-85% ZIRCONIA AND THE BALANCE 40-15% BOROSILICATE GLASS, RESPECTIVELY, BY WEIGHT.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |