Patent US2907199A successfully refreshed from Google Patents.
US2907199A
Expired / Lapsed
US
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Support for wallboard
Assignee: Haas & Haynie
•
Filing: 1954-11-22
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Granted: 1959-10-06
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Expires: 1974-11-22
Abstract
No abstract record available.
Inventors
- 👤 Archie G Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:07
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1258906A
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US1507652A
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US1931713A
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US2017911A
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US2056328A
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US2127837A
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US2226368A
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US2296609A
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US2279898A
Cited
US2796158A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |