US2086798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoelectrical device for producing half-tone cuts
Assignee: Individual
•
Filing: 1932-06-22
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Granted: 1937-07-13
•
Expires: 1952-06-22
Abstract
No abstract record available.
Inventors
- 👤 Greenberg Otto William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:54
CPC Classifications
B; B41; B41C; B41C1/00; B41C1/02; B41C1/04; H; H04; H04N; H04N1/00; H04N1/387; H04N1/393; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17128; Y10T279/17136; Y10T279/17153; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176; Y10T74/18184; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/2063
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) | 1940-07-12 | 1941-01-11 | 1941-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-12 | 1945-01-11 | 1945-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-12 | 1949-01-11 | 1949-07-13 | $7700.00 | Window Closed / Lapsed |