Patent US2866235A successfully refreshed from Google Patents.
US2866235A
Expired / Lapsed
US
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Structural building element
Assignee: COUSE Manufacturing Inc
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Filing: 1957-02-25
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Granted: 1958-12-30
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Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Kibbey W Couse
- 👤 Robert M Sutphen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:01
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/18; E04B1/343; E04B1/34315; Y; Y10; Y10T; Y10T403/00; Y10T403/34; Y10T403/341; Y10T403/344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |