US3202050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zoom type of eyepiece for optical instrument
Assignee: Bausch and Lomb Inc
•
Filing: 1961-12-15
•
Granted: 1965-08-24
•
Expires: 1981-12-15
Abstract
No abstract record available.
Inventors
- 👤 Richard L Seidenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:35
CPC Classifications
G; G02; G02B; G02B25/00; G02B25/001
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
30 words
0 .963F -362F 10.1 .751 F -.455F 11.4 .550 F -.512F 12.7 .391 F -.527F 14.1 .261 F -.513F 15.4 .154 F -.476F 19.7 .064 F -.422F 18.0 -.0127F -.356F
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |