Patent US2265341A successfully refreshed from Google Patents.
US2265341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air- and gas-tight wall leadthrough for electric wiring systems, particularly in high altitude aircraft
Assignee: FIRM HENSCHEL FLUGZEUG WERKE A
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Filing: 1939-07-29
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Granted: 1941-12-09
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Expires: 1959-07-29
Abstract
No abstract record available.
Inventors
- 👤 Borchert Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:15
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/46; H01R13/52; H01B; H01B17/00; H01B17/26; H01B17/30; H01B17/303; H01B17/306; H01R13/62; H01R13/639; H01R13/73; H01R13/74
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) | 1944-12-08 | 1945-06-09 | 1945-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-08 | 1949-06-09 | 1949-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-08 | 1953-06-09 | 1953-12-09 | $7700.00 | Window Closed / Lapsed |