Patent US2462491A successfully refreshed from Google Patents.
US2462491A
Expired / Lapsed
US
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Ignition coil and filter shield assembly
Assignee: HALLETT Manufacturing CO
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Filing: 1945-10-22
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Granted: 1949-02-22
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Expires: 1965-10-22
Abstract
No abstract record available.
Inventors
- 👤 Elton C Hallett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:50
CPC Classifications
F; F02; F02P; F02P3/00; F02P3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1157592A
Cited
US1353116A
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US1949846A
Cited
US2163843A
Cited
US2088454A
Cited
US2114189A
Cited
US2208558A
Cited
US2388054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-22 | 1952-08-23 | 1953-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-22 | 1956-08-23 | 1957-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-22 | 1960-08-23 | 1961-02-22 | $7700.00 | Window Closed / Lapsed |