US2584720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: General Electric Co
•
Filing: 1946-10-26
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Granted: 1952-02-05
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Expires: 1966-10-26
Abstract
No abstract record available.
Inventors
- 👤 James L Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:18
CPC Classifications
H; H03; H03K; H03K23/00; H03K23/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB572884A
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US1762712A
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US1972535A
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US1995890A
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US2113011A
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US2405664A
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US2405843A
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US2409689A
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US2410156A
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US2470716A
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US2420516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |