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Patent US2968070A successfully refreshed from Google Patents.
US2968070A
Expired / Lapsed
US
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Building panel construction
Assignee: Individual
•
Filing: 1957-12-10
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Granted: 1961-01-17
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Expires: 1977-12-10
Abstract
No abstract record available.
Inventors
- 👤 Olaf P Wolstead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:31
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/045; E04B2/00; E04B2/74; E04B2/76; E04B2/78; E04B2/7854; E04B2/7881; E04B9/22; E04B9/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1164160A
Cited
US1974819A
Cited
GB435206A
Cited
US2101001A
Cited
US2384849A
Cited
US2457147A
Cited
US2736929A
Cited
GB738967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-17 | 1964-07-18 | 1965-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-17 | 1968-07-18 | 1969-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-17 | 1972-07-18 | 1973-01-17 | $7700.00 | Window Closed / Lapsed |