Patent US2182329A successfully refreshed from Google Patents.
US2339780A
Expired / Lapsed
US
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Automatic focusing device for cameras
Assignee: Individual
•
Filing: 1940-11-19
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Granted: 1944-01-25
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Expires: 1960-11-19
Abstract
No abstract record available.
Inventors
- 👤 Bank Royal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:48
CPC Classifications
G; G02; G02B; G02B27/00; G02B27/40; G03; G03B; G03B13/00; G03B13/18; H; H04; H04N; H04N23/00; H04N23/50; H04N23/55; H04N23/60; H04N23/67; H04N23/673
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-01-24 | 1947-07-26 | 1948-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-01-24 | 1951-07-26 | 1952-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-01-24 | 1955-07-26 | 1956-01-25 | $7700.00 | Window Closed / Lapsed |