US3069773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental porcelains
Assignee: Dentists Supply Company of New York
•
Filing: 1959-06-11
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Granted: 1962-12-25
•
Expires: 1979-06-11
Abstract
No abstract record available.
Inventors
- 👤 Jacob A Saffir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:37
CPC Classifications
C; C03; C03C; C03C13/00; A; A61; A61K; A61K6/00; A61K6/15; A61K6/17; A61K6/70; A61K6/71; A61K6/77; A61K6/80; A61K6/802; A61K6/818
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A COMPOSITION FOR THE FABRICATING OF VARIOUS PORCELAIN DENTAL PROSTHETIC APPLIANCES, COMPRISING A PORCELAINOUS MATERIAL AND AT LEAST 5% BY WEIGHT OF HIGHLY REFRACTORY GLASS FIBERS, SAID FIBERS HAVING A FUSING POINT HIGHER THAN THE POINT OF VITRIFICATION OF SAID PORCELAINOUS MATERIAL.
Claim 2
Dependent Claim
42 words
A COMPOSITION FOR THE FABRICATING OF VARIOUS PORCELAIN DENTAL PROSTHETIC APPLIANCES, COMPRISING A PORCELAINOUS MATERIAL AND AT LEAST 5% BY WEIGHT OF HIGHLY REFRACTORY GLASS FIBERS, SAID FIBERS HAVING A FUSING POINT HIGHER THAN THE POINT OF VITRIFICATION OF SAID PORCELAINOUS MATERIAL.
References Cited (Backward Citations)
US2793436A
Cited
US2873197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |