US2805500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viewer for photographic slides
Assignee: Individual
•
Filing: 1954-07-29
•
Granted: 1957-09-10
•
Expires: 1974-07-29
Abstract
No abstract record available.
Inventors
- 👤 Dixler Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:46
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/02; G02B27/022; G02B27/024; G02B27/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2088363A
Cited
US2212123A
Cited
US2336288A
Cited
US2452658A
Cited
US2484591A
Cited
US2598670A
Cited
US2534100A
Cited
US2604814A
Cited
US2627781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |