Patent US3035224A successfully refreshed from Google Patents.
US3035224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spark plug tester
Assignee: Motors Liquidation Co
•
Filing: 1956-11-27
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Granted: 1962-05-15
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Expires: 1976-11-27
Abstract
No abstract record available.
Inventors
- 👤 John A Whaley
- 👤 Willard R Houser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:47
CPC Classifications
H; H01; H01T; H01T13/00; H01T13/58; F; F02; F02P; F02P17/00; F02P17/12; G; G01; G01L; G01L23/00; G01L23/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2543141A
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US2648818A
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US2695987A
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US2774033A
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US2762977A
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US2820945A
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US2908859A
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US2888822A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-14 | 1965-11-13 | 1966-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-14 | 1969-11-13 | 1970-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-14 | 1973-11-13 | 1974-05-15 | $7700.00 | Window Closed / Lapsed |