US2645012A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion lining for dentures
Assignee: Individual
•
Filing: 1950-11-28
•
Granted: 1953-07-14
•
Expires: 1970-11-28
Abstract
No abstract record available.
Inventors
- 👤 Stanford J Hetzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:20
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/01; A61C13/02; A61K; A61K6/00; A61K6/80; A61K6/884; A61K6/887
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A DENTURE ASSEMBLY COMPRISING: A RELATIVELY HARD ACRYLIC RESIN DENTURE BASE AND A RELATIVELY SOFT CUSHION LINING COMPRISING N-BUTYL METHACRYLATE POLYMER, SAID BASE AND SAID LINING BEING FUSED TOGETHER AT THEIR SURFACE OF CONTACT.
Claim 2
Dependent Claim
34 words
A DENTURE ASSEMBLY COMPRISING: A RELATIVELY HARD ACRYLIC RESIN DENTURE BASE AND A RELATIVELY SOFT CUSHION LINING COMPRISING N-BUTYL METHACRYLATE POLYMER, SAID BASE AND SAID LINING BEING FUSED TOGETHER AT THEIR SURFACE OF CONTACT.
References Cited (Backward Citations)
US2446298A
Cited
US2558139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |