US3060806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image forming element
Assignee: Bausch and Lomb Inc
•
Filing: 1959-05-04
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Granted: 1962-10-30
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Expires: 1979-05-04
Abstract
No abstract record available.
Inventors
- 👤 Robert E Lewis
- 👤 Robert J Meltzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:29
CPC Classifications
G; G02; G02B; G02B19/00; G02B19/0033; G02B19/0047; G02B19/0004; G02B19/0028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |