US2432516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Keyed pulse generator
Assignee: AT&T Inc
•
Filing: 1943-12-30
•
Granted: 1947-12-16
•
Expires: 1963-12-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Stephen Doba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:06
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2227598A
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US2208422A
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US2242934A
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US2230926A
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US2300996A
Cited
GB541029A
Cited
US2368449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |