US2446919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine unit
Assignee: Pioneer Gen E Motor Corp
•
Filing: 1944-08-18
•
Granted: 1948-08-10
•
Expires: 1964-08-18
Abstract
No abstract record available.
Inventors
- 👤 Goldberg Harry
- 👤 Stanley Z Siwek
- 👤 Arthur R Long
- 👤 William J Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:16
CPC Classifications
F; F02; F02B; F02B61/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US596271A
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US1676369A
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US1655518A
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US1712091A
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US1584759A
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US1909965A
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US1916700A
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US1971550A
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US1995935A
Cited
US2101392A
Cited
US2232160A
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US2321097A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |