US2435595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-power compressional wave radiator
Assignee: AT&T Inc
•
Filing: 1943-08-19
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Granted: 1948-02-10
•
Expires: 1963-08-19
Abstract
No abstract record available.
Inventors
- 👤 Warren P Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:26
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/06; B06B1/0607; B06B1/0622; B06B1/0629
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US768573A
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US768570A
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US1067207A
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US1117766A
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GB304173A
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US2248870A
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FR613799A
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US1980171A
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US2138036A
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DE620484C
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US2086891A
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US2147649A
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US2169304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-09 | 1951-08-11 | 1952-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-09 | 1955-08-11 | 1956-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-09 | 1959-08-11 | 1960-02-10 | $7700.00 | Window Closed / Lapsed |