Patent US2922201A successfully refreshed from Google Patents.
US2922201A
Expired / Lapsed
US
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Wooden stud partition
Assignee: United States Gypsum Co
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Filing: 1957-05-09
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Granted: 1960-01-26
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Expires: 1977-05-09
Abstract
No abstract record available.
Inventors
- 👤 George W Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:31
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/7407; E04B2/7453; E04B2/7457; E04B2/56; E04B2/70; E04B2/706; E04B2/707; E04B2/80; E04B2/7409; E04B2/7412
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US596217A
Cited
US1483366A
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US2301538A
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US2413568A
Cited
US2390262A
Cited
US2373808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |