US3361514A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding eyeglass assembly with extensible bow members for gripping wearer's head
Assignee: Individual
•
Filing: 1964-04-02
•
Granted: 1968-01-02
•
Expires: 1984-04-02
Abstract
No abstract record available.
Inventors
- 👤 Davis Jeannette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:47
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/14; G02C5/143; G02C5/006; G02C5/02; G02C5/08; G02C5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US266436A
Cited
GB189909815A
Cited
US1572733A
Cited
US2419303A
Cited
US2746087A
Cited
CH297472A
Cited
US2975426A
Cited
US3155982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |