Patent US3073795A successfully refreshed from Google Patents.
US3073795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental liner comprising polymethyl methacrylate, talc and methyl methacrylate
Assignee: Individual
•
Filing: 1959-09-25
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Granted: 1963-01-15
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Expires: 1979-09-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Veverka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:44
CPC Classifications
C; C08; C08F; C08F265/00; C08F265/04; C08F265/06; A; A61; A61K; A61K6/00; A61K6/80; A61K6/884; A61K6/887
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
A DENTAL MATERIAL FOR USE IN MAKING DENTURE LINERS COMPRISED OF FROM 6 3/4 TO 8 OUNCES OF FINELY DIVIDED SOLID METHYL METHACRYLATE POLYMER TO 7 TO 11 OUNCES OF U.S.P. PLAIN TALC, PLACTICIZED BY A METHYL METHACRYLATE MONOMER.
References Cited (Backward Citations)
CA552273A
Cited
GB379716A
Cited
US2057456A
Cited
US2162204A
Cited
US2420570A
Cited
US2558139A
Cited
GB710534A
Cited
US2947716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |