US2086289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for copying films
Assignee: FIRM SIFICO AG
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Filing: 1933-10-12
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Granted: 1937-07-06
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Expires: 1953-10-12
Abstract
No abstract record available.
Inventors
- 👤 Wahl Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:27
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/0007; G; G03; G03B; G03B27/00; G03B27/02; G03B27/04; G03B27/08; Y; Y10; Y10S; Y10S425/00; Y10S425/81; Y10T; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/444; Y10T83/463; Y10T83/4635; Y10T83/4637; Y10T83/464
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) | 1940-07-05 | 1941-01-04 | 1941-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-07-05 | 1945-01-04 | 1945-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-07-05 | 1949-01-04 | 1949-07-06 | $7700.00 | Window Closed / Lapsed |