Patent US3531869A successfully refreshed from Google Patents.
US3531869A
Expired / Lapsed
US
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Insert molded eyeglass frames
Assignee: RAMON D CRISS
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Filing: 1968-05-22
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Granted: 1970-10-06
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Expires: 1988-05-22
Abstract
No abstract record available.
Inventors
- 👤 Rupert F Hays
- 👤 John M Phillips
- 👤 Ramon D Criss
- 👤 Edmund D Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:58
CPC Classifications
G; G02; G02C; G02C13/00; G02C13/003; G02C13/005; B; B29; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C45/14754; B29C70/00; B29C70/58; B29C2045/1477; Y; Y10; Y10S; Y10S425/00; Y10S425/044; Y10S425/058; Y10S425/808
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) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |