Patent US2923239A successfully refreshed from Google Patents.
US2923239A
Expired / Lapsed
US
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Ignition transmission line and systems including the same
Assignee: Ensign Bickford Co
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Filing: 1957-07-26
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Granted: 1960-02-02
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Expires: 1977-07-26
Abstract
No abstract record available.
Inventors
- 👤 David J Andrew
- 👤 William M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:51
CPC Classifications
C; C06; C06C; C06C5/00; C06C5/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2005957A
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US2102024A
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FR840365A
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US2239052A
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US2475875A
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US2445032A
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US2498050A
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US2535518A
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US2725821A
Cited
GB728240A
Cited
GB746843A
Cited
GB752770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |