US2771816A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable microfilm camera
Assignee: Diebold Nixdorf Inc
•
Filing: 1951-08-11
•
Granted: 1956-11-27
•
Expires: 1971-08-11
Abstract
No abstract record available.
Inventors
- 👤 William A Pfaff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:15
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/50
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |