US2357722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall construction
Assignee: United States Gypsum Co
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Filing: 1941-10-20
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Granted: 1944-09-05
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Expires: 1961-10-20
Abstract
No abstract record available.
Inventors
- 👤 Bruno E Balduf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:09
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0832; E04F13/0833; E04F13/0835; E04F13/0837; F; F16; F16B; F16B2/00; F16B2/02; F16B2/14; F16B21/00; F16B21/10; F16B21/16; F16B5/00; F16B5/0004; Y; Y10; Y10S; Y10S411/00; Y10S411/922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-09-05 | 1948-03-06 | 1948-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-09-05 | 1952-03-06 | 1952-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-09-05 | 1956-03-06 | 1956-09-05 | $7700.00 | Window Closed / Lapsed |