Patent US2959243A successfully refreshed from Google Patents.
US2959243A
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Sound absorbing structure
Assignee: GEN SOUND CONTROL Inc
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Filing: 1956-03-29
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Granted: 1960-11-08
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Expires: 1976-03-29
Abstract
No abstract record available.
Inventors
- 👤 Cloyd D Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:36
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/16; G10K11/172; F; F16; F16L; F16L55/00; F16L55/02; F16L55/033; F16L55/0336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1153327A
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US1916908A
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US2485392A
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US2516949A
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GB638407A
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US2720276A
Cited
US2759555A
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US2748883A
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GB746949A
Cited
FR1109279A
Cited
US2884086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-08 | 1964-05-09 | 1964-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-08 | 1968-05-09 | 1968-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-08 | 1972-05-09 | 1972-11-08 | $7700.00 | Window Closed / Lapsed |