Patent US2589319A successfully refreshed from Google Patents.
US2589319A
Expired / Lapsed
US
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Portable sounding device
Assignee: VICTOR ANIMATOGRAPH Corp
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Filing: 1946-02-01
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Granted: 1952-03-18
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Expires: 1966-02-01
Abstract
No abstract record available.
Inventors
- 👤 Richard M Albrecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:27
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/02; H04R1/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US648743A
Cited
US690414A
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US773344A
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US870698A
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US1550697A
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US1619423A
Cited
US1884280A
Cited
US2003381A
Cited
US2168163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |