US2342378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of molding
Assignee: Univis Lens Co
•
Filing: 1940-08-27
•
Granted: 1944-02-22
•
Expires: 1960-08-27
Abstract
No abstract record available.
Inventors
- 👤 Charles V Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:04
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/0022; B29D; B29D11/00; B29D11/00009; B29C43/00; Y; Y10; Y10S; Y10S359/00; Y10S359/90; Y10S425/00; Y10S425/131; Y10S425/808
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) | 1947-02-21 | 1947-08-23 | 1948-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-02-21 | 1951-08-23 | 1952-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-02-21 | 1955-08-23 | 1956-02-22 | $7700.00 | Window Closed / Lapsed |