Patent US2355855A successfully refreshed from Google Patents.
US2355855A
Expired / Lapsed
US
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Wall structure
Assignee: American Radiator and Standard Sanitary Corp
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Filing: 1941-04-29
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Granted: 1944-08-15
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Expires: 1961-04-29
Abstract
No abstract record available.
Inventors
- 👤 Goerg Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:44
CPC Classifications
F; F24; F24B; F24B7/00; F24B7/02; F22; F22B; F22B37/00; Y; Y10; Y10S; Y10S220/00; Y10S220/918; Y10S220/921
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) | 1947-08-15 | 1948-02-14 | 1948-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-08-15 | 1952-02-14 | 1952-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-08-15 | 1956-02-14 | 1956-08-15 | $7700.00 | Window Closed / Lapsed |