US2333064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for form milling resinous blanks
Assignee: Univis Lens Co
•
Filing: 1941-01-18
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Granted: 1943-10-26
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Expires: 1961-01-18
Abstract
No abstract record available.
Inventors
- 👤 Frank P Williams
- 👤 Charles V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:32
CPC Classifications
B; B29; B29D; B29D11/00; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/30224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-10-25 | 1947-04-26 | 1947-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-25 | 1951-04-26 | 1951-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-25 | 1955-04-26 | 1955-10-26 | $7700.00 | Window Closed / Lapsed |