US2482664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spectacle mounting having telescopically secured brace arms
Assignee: American Optical Corp
•
Filing: 1945-07-30
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Granted: 1949-09-20
•
Expires: 1965-07-30
Abstract
No abstract record available.
Inventors
- 👤 Louis L Gagnon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:13
CPC Classifications
G; G02; G02C; G02C5/00; G02C5/02; G02C5/04; G02C1/00; G02C1/02; G02C1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US85495A
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US926293A
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US2355053A
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US2257812A
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US2366659A
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US2357267A
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US2383572A
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US2372059A
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US2388191A
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US2398137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-19 | 1953-03-21 | 1953-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-19 | 1957-03-21 | 1957-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-19 | 1961-03-21 | 1961-09-20 | $7700.00 | Window Closed / Lapsed |