US2676483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall base construction
Assignee: United States Gypsum Co
•
Filing: 1949-06-04
•
Granted: 1954-04-27
•
Expires: 1969-06-04
Abstract
No abstract record available.
Inventors
- 👤 Nelsson Nels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:36
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/82; E04B2/825
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2340891A
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US2317634A
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US2299537A
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US2358277A
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US2401062A
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US2390857A
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US2527216A
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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) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |