Patent US3025650A successfully refreshed from Google Patents.
US3025650A
Expired / Lapsed
US
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Wall structure and improved clip for attaching boards to trussed studs
Assignee: United States Gypsum Co
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Filing: 1954-06-09
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Granted: 1962-03-20
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Expires: 1974-06-09
Abstract
No abstract record available.
Inventors
- 👤 Nelsson Nels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:29
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/7407; E04B2/7453; E04B2/7457; E04B2/76; E04B2/78; E04B2/72; E04B2/723; E04B2002/726
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1057431A
Cited
US1527618A
Cited
US1962452A
Cited
US2307899A
Cited
US2641035A
Cited
US2620531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |