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US3025762A
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US
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Cylindrical hinge for spectacles
Assignee: Meccanoptica Leonardo SpA
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Filing: 1959-04-07
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Granted: 1962-03-20
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Expires: 1979-04-07
Abstract
No abstract record available.
Inventors
- 👤 Vigano Gianni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:14
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/22; G02C5/2218; G02C5/2254; G02C2200/00; G02C2200/22; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32951
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190519356A
Cited
GB236271A
Cited
US1588807A
Cited
US2094236A
Cited
US2121572A
Cited
GB465678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |