US1942298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eyeglasses
Assignee: ALFRED LE DOUX
•
Filing: 1932-12-13
•
Granted: 1934-01-02
•
Expires: 1952-12-13
Abstract
No abstract record available.
Inventors
- 👤 Doux Edward Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:58
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/22; G02C5/2218; G02C5/2227; G02C3/00; G02C3/003; G02C5/14; G02C5/143; G02C5/146; G02C2200/00; G02C2200/28
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) | 1937-01-01 | 1937-07-03 | 1938-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-01 | 1941-07-03 | 1942-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-01 | 1945-07-03 | 1946-01-02 | $7700.00 | Window Closed / Lapsed |