US2423304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse producing system
Assignee: General Electric Co
•
Filing: 1944-02-15
•
Granted: 1947-07-01
•
Expires: 1964-02-15
Abstract
No abstract record available.
Inventors
- 👤 William A Fitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:19
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H03K3/543
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1773556A
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US1908249A
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US2000362A
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US2101520A
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US2103090A
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US2086918A
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US2178074A
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US2121359A
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US2266668A
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US2234830A
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US2277000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-30 | 1950-12-30 | 1951-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-30 | 1954-12-30 | 1955-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-30 | 1958-12-30 | 1959-07-01 | $7700.00 | Window Closed / Lapsed |