Patent US2483768A successfully refreshed from Google Patents.
US2483768A
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Microwave-acoustic wave translator
Assignee: RCA Corp
•
Filing: 1944-06-15
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Granted: 1949-10-04
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Expires: 1964-06-15
Abstract
No abstract record available.
Inventors
- 👤 William D Hershberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:53
CPC Classifications
H; H04; H04R; H04R23/00; G; G01; G01N; G01N22/00; H03; H03L; H03L7/00; H03L7/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1150266A
Cited
US1533730A
Cited
US1718999A
Cited
US1605295A
Cited
US1862622A
Cited
US1945039A
Cited
US2142648A
Cited
US2155659A
Cited
US2155661A
Cited
US2241119A
Cited
US2115578A
Cited
US2129669A
Cited
US2281550A
Cited
US2193102A
Cited
US2265796A
Cited
US2315313A
Cited
US2241976A
Cited
US2275017A
Cited
US2413939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-03 | 1953-04-04 | 1953-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-03 | 1957-04-04 | 1957-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-03 | 1961-04-04 | 1961-10-04 | $7700.00 | Window Closed / Lapsed |