US2442785A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal-transmitting cable insenitive to explosion pressure pulses
Assignee: Individual
•
Filing: 1944-02-14
•
Granted: 1948-06-08
•
Expires: 1964-02-14
Abstract
No abstract record available.
Inventors
- 👤 Maurice M Shapiro
- 👤 Stiller Bertram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:08
CPC Classifications
H; H01; H01B; H01B11/00; H01B11/18; H01B11/1834; H01B7/00; H01B7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US225811A
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US297181A
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US313380A
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US324413A
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US378175A
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US429305A
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US2229967A
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US1009731A
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US1107233A
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US2354809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |