US2560169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microscope adjustment mechanism
Assignee: American Optical Corp
•
Filing: 1946-06-29
•
Granted: 1951-07-10
•
Expires: 1966-06-29
Abstract
No abstract record available.
Inventors
- 👤 Albin A Gradisar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:31
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/24; G02B21/241; G02B21/242; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/1812
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1223198A
Cited
US1274561A
Cited
US1968094A
Cited
US1910121A
Cited
US2093611A
Cited
US2026722A
Cited
US2412551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |