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US2416240A
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Architectural panel construction
Assignee: CHICAGO VITRCOUS ENAMEL PRODUC
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Filing: 1945-09-04
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Granted: 1947-02-18
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Expires: 1965-09-04
Abstract
No abstract record available.
Inventors
- 👤 Carl G Strandlund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:11
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US18188A
Cited
US422584A
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US483163A
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US2073130A
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US2209375A
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US2267279A
Cited
US2318022A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |