US2519722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic mirror and method of making same
Assignee: Bausch and Lomb Inc
•
Filing: 1946-09-20
•
Granted: 1950-08-22
•
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 15:50
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2281474A
Cited
US2366516A
Cited
US2403685A
Cited
US2379790A
Cited
US2392978A
Cited
US2422954A
Cited
US2397929A
Cited
US2430452A
Cited
US2394533A
Cited
US2420168A
Cited
US2412496A
Cited
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 |