Patent US1434133A successfully refreshed from Google Patents.
US1434133A
Expired / Lapsed
US
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Spark-plug insulator
Assignee: CHAMPION IGNITION CO
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Filing: 1920-10-30
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Granted: 1922-10-31
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Expires: 1940-10-30
Abstract
No abstract record available.
Inventors
- 👤 Taine G Mcdougal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:40
CPC Classifications
H; H01; H01T; H01T13/00; H01T13/20; H01T13/38; Y; Y10; Y10S; Y10S106/00; Y10S106/04
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) | 1925-10-30 | 1926-05-01 | 1926-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-10-30 | 1930-05-01 | 1930-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-10-30 | 1934-05-01 | 1934-10-31 | $7700.00 | Window Closed / Lapsed |