US3391038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making internally braced structural wall panels
Assignee: GEORGE W WHITESIDES
•
Filing: 1964-02-21
•
Granted: 1968-07-02
•
Expires: 1984-02-21
Abstract
No abstract record available.
Inventors
- 👤 George W Whitesides
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:18
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/001; B29D99/0021; E; E04; E04C; E04C2/00; E04C2/30; E04C2/34; E04C2/36; B29L; B29L2007/00; B29L2007/002; B29L2023/00; B29L2023/22; B29L2023/225; B29L2031/00; B29L2031/769; B29L2031/7692; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T428/00; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2493032A
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US2744042A
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US3106503A
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US3235441A
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US3139369A
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US3211601A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |