US2419253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant
Assignee: Jack & Heintz Prec Ind Inc
•
Filing: 1944-08-07
•
Granted: 1947-04-22
•
Expires: 1964-08-07
Abstract
No abstract record available.
Inventors
- 👤 Lysle D Cahill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:59
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/042; C10M2201/06; C10M2201/062; C10M2201/065; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10N; C10N2010/00; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US136945A
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US1003983A
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GB191201938A
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US1491127A
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US1463501A
Cited
US1806414A
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US1669596A
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US1855195A
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US2285453A
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US2270888A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-21 | 1950-10-21 | 1951-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-21 | 1954-10-21 | 1955-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-21 | 1958-10-21 | 1959-04-22 | $7700.00 | Window Closed / Lapsed |