US2584657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated base, the coating being in macrocrystalline form and composed of normally solid film forming material and trioxane
Assignee: Harvel Research Corp
•
Filing: 1947-05-17
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Granted: 1952-02-05
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Expires: 1967-05-17
Abstract
No abstract record available.
Inventors
- 👤 Arcidiacono Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:35
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D157/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31627; Y10T428/3163; Y10T428/31855; Y10T428/31942; Y10T428/31971
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A BASE, A COATING ON A SURFACE OF SAID BASE, SAID COATING BEING THE COMBINATION OF A NORMALLY SOLID FILM FORMING MATERIAL AND TRIOXANE, SAID COATING BEING OF MACROCRYSTALLINE DESIGN, SAID FILM FORMING MATERIAL SELECTED FROM THE GROUP OF NORMALLY SOLID MATERIALS, CONSISTING OF POLYVINYL ESTERS, VINYL ESTERS COPOLYMERIZED WITH EACH OTHER, POLYVINYL ACETALS, CELLULOSE ETHERS AND CELLULOSE ESTERS.
Claim 2
Dependent Claim
59 words
A BASE, A COATING ON A SURFACE OF SAID BASE, SAID COATING BEING THE COMBINATION OF A NORMALLY SOLID FILM FORMING MATERIAL AND TRIOXANE, SAID COATING BEING OF MACROCRYSTALLINE DESIGN, SAID FILM FORMING MATERIAL SELECTED FROM THE GROUP OF NORMALLY SOLID MATERIALS, CONSISTING OF POLYVINYL ESTERS, VINYL ESTERS COPOLYMERIZED WITH EACH OTHER, POLYVINYL ACETALS, CELLULOSE ETHERS AND CELLULOSE ESTERS.
References Cited (Backward Citations)
US2399456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |