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US2547034A
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Pulse-transmitting device
Assignee: International Standard Electric Corp
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Filing: 1948-07-01
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Granted: 1951-04-03
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Expires: 1968-07-01
Abstract
No abstract record available.
Inventors
- 👤 Mamor Armand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:15
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/26; H04M1/515; H03; H03K; H03K23/00; H03K23/82; H04Q; H04Q1/00; H04Q1/18; H04Q1/30; H04Q1/44; H04Q1/444; H04Q1/446; H04Q1/4465; H04Q3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2096954A
Cited
US2192217A
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US2248937A
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US2373134A
Cited
US2428089A
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US2451859A
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US2438492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |