US3356439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sun glasses having three pairs of different color tinted lenses
Assignee: Individual
•
Filing: 1963-08-20
•
Granted: 1967-12-05
•
Expires: 1983-08-20
Abstract
No abstract record available.
Inventors
- 👤 Finn H Magnus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:56
CPC Classifications
G; G02; G02C; G02C7/00; G02C7/10; G02C7/105; G02C2200/00; G02C2200/08
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |