Patent US2984312A successfully refreshed from Google Patents.
US2984312A
Expired / Lapsed
US
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Acoustical wall board
Assignee: Owens Corning
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Filing: 1959-04-24
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Granted: 1961-05-16
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Expires: 1979-04-24
Abstract
No abstract record available.
Inventors
- 👤 Frank O Brisley
- 👤 Ulysses T Gambill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:53
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; B; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29C53/00; B29C53/22; B29C53/24; B29C59/00; B29C59/02; E04B1/8227; B29K; B29K2105/00; B29K2105/04; E04B2001/8457; E04B2001/8461; E04B2001/8471; E04B2001/8476; E04B2001/848; E04B2001/8485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1833143A
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US1912161A
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US1947788A
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US2330941A
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US2338813A
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US2390262A
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US2619685A
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US2641561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |