US2797403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording system
Assignee: General Electric Co
•
Filing: 1950-02-10
•
Granted: 1957-06-25
•
Expires: 1970-02-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Woodruff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:17
CPC Classifications
G; G08; G08C; G08C15/00; G08C15/06; G08C15/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1597828A
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US2226459A
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US2252599A
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GB590886A
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US2466804A
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US2448070A
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US2448069A
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US2576339A
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US2477076A
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US2575087A
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US2540167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |