Patent US3513222A successfully refreshed from Google Patents.
US3513222A
Expired / Lapsed
US
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Composition containing epoxy resins,polyvinyl chloride and a diester of acrylic acid and a glycol
Assignee: Individual
•
Filing: 1967-02-20
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Granted: 1970-05-19
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Expires: 1987-02-20
Abstract
No abstract record available.
Inventors
- 👤 Rene Speitel
- 👤 Max R Hegnauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:49
CPC Classifications
C; C09; C09D; C09D163/00; C08; C08F; C08F259/00; C08F259/02; C08F259/04; C09D127/00; C09D127/02; C09D127/04; C09D127/06; C08L; C08L63/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |