US3397026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable eyeglass retaining strap
Assignee: Individual
•
Filing: 1964-11-19
•
Granted: 1968-08-13
•
Expires: 1984-11-19
Abstract
No abstract record available.
Inventors
- 👤 Spina Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:04
CPC Classifications
G; G02; G02C; G02C3/00; G02C3/003; Y; Y10; Y10T; Y10T24/00; Y10T24/39; Y10T24/3913; Y10T24/3987
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2264351A
Cited
US2481946A
Cited
US2539922A
Cited
US2660092A
Cited
US2819650A
Cited
US2808632A
Cited
US2846688A
Cited
US2896217A
Cited
FR1269683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |