US1782860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making exposures of the path or route of flying machines or the like
Assignee: ASKANIAWERKE AG VORMALS CENTRA
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Filing: 1928-02-16
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Granted: 1930-11-25
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Expires: 1948-02-16
Abstract
No abstract record available.
Inventors
- 👤 Reipert Ernst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:16
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/16
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) | 1933-11-24 | 1934-05-26 | 1934-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-11-24 | 1938-05-26 | 1938-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-11-24 | 1942-05-26 | 1942-11-25 | $7700.00 | Window Closed / Lapsed |