US2810166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated wall and partition structure
Assignee: United States Gypsum Co
•
Filing: 1952-10-11
•
Granted: 1957-10-22
•
Expires: 1972-10-11
Abstract
No abstract record available.
Inventors
- 👤 Nelsson Nels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:20
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/74; E04B2/7407; E04B2/7453; E04B2/7457
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2056328A
Cited
US2167996A
Cited
US2291498A
Cited
GB540302A
Cited
GB541733A
Cited
FR940899A
Cited
US2342682A
Cited
US2440936A
Cited
US2395186A
Cited
US2556884A
Cited
US2531128A
Cited
US2566563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |