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Patent US2904769A successfully refreshed from Google Patents.
US2904769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spark plug nipple
Assignee: Motors Liquidation Co
•
Filing: 1953-07-10
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Granted: 1959-09-15
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Expires: 1973-07-10
Abstract
No abstract record available.
Inventors
- 👤 Sampson Lawrence Raymond
- 👤 George W Lampman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:23
CPC Classifications
H; H01; H01T; H01T13/00; H01T13/02; H01T13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1117840A
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US1245931A
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US1723765A
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US1926197A
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US2189987A
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US2167865A
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US2550358A
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US2690541A
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US2704355A
Cited
US2665673A
Cited
US2750573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |