Patent US5925062A successfully refreshed from Google Patents.
US2519722A
Expired / Lapsed
US
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Metallic mirror and method of making same
Assignee: Bausch and Lomb Inc
•
Filing: 1946-09-20
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Granted: 1950-08-22
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Expires: 1966-09-20
Abstract
No abstract record available.
Inventors
- 👤 Arthur F Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:32
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/08; G02B5/0816; G02B5/085; G02B5/0858; G02B5/20; G02B5/28; G02B5/281; G02B5/282; Y; Y10; Y10S; Y10S359/00; Y10S359/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2403685A
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US2379790A
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US2392978A
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US2422954A
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US2397929A
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US2430452A
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US2394533A
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US2420168A
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US2412496A
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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) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |