US2664631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushion for artificial dentures
Assignee: Individual
•
Filing: 1946-11-02
•
Granted: 1954-01-05
•
Expires: 1966-11-02
Abstract
No abstract record available.
Inventors
- 👤 Hollander Julius
- 👤 Bernard S Sabreen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:17
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; A; A61; A61K; A61K6/00; A61K6/80; A61K6/884; A61K6/887; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2762; Y10T442/277; Y10T442/2787
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A CUSHION FOR AN ARTIFICAL DENSURE CONSISTING OF A RELATIVELY THIN LAYER OF CLOTH OF SUBSTANTIALLY U-SHAPE IMPREGNATED WITH A THERMOPLASTIC RESIN SELECTED FROM THE GROUP CONSISTING OF VINYL ACETATE RESINS, STYRENE RESINS AND METHACRYLATE RESINS.
Claim 2
Dependent Claim
36 words
A CUSHION FOR AN ARTIFICAL DENSURE CONSISTING OF A RELATIVELY THIN LAYER OF CLOTH OF SUBSTANTIALLY U-SHAPE IMPREGNATED WITH A THERMOPLASTIC RESIN SELECTED FROM THE GROUP CONSISTING OF VINYL ACETATE RESINS, STYRENE RESINS AND METHACRYLATE RESINS.
References Cited (Backward Citations)
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US2021121A
Cited
US1950430A
Cited
US2169558A
Cited
US2373954A
Cited
US2392513A
Cited
US2418833A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |