US2563780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical aligning device
Assignee: Eastman Kodak Co
•
Filing: 1950-03-07
•
Granted: 1951-08-07
•
Expires: 1970-03-07
Abstract
No abstract record available.
Inventors
- 👤 Emile A Fontaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:56
CPC Classifications
G; G01; G01C; G01C15/00; G01C15/02; G02; G02B; G02B23/00; G02B23/02; G02B23/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49764; Y10T29/49769
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |