Patent US1205461A successfully refreshed from Google Patents.
Patent US2501190A successfully refreshed from Google Patents.
US2501190A
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US
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Eye molding apparatus for contact lenses
Assignee: Individual
•
Filing: 1947-12-03
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Granted: 1950-03-21
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Expires: 1967-12-03
Abstract
No abstract record available.
Inventors
- 👤 Policoff William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:08
CPC Classifications
B; B29; B29D; B29D11/00; B29D11/00009; B29D11/00038; B29D11/00125; A; A61; A61F; A61F9/00; Y; Y10; Y10S; Y10S264/00; Y10S264/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2370389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |