Patent US2855636A successfully refreshed from Google Patents.
US2855636A
Expired / Lapsed
US
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Edge dovetail insulated wall construction
Assignee: BEN HUR Manufacturing Co
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Filing: 1957-02-18
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Granted: 1958-10-14
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Expires: 1977-02-18
Abstract
No abstract record available.
Inventors
- 👤 Daniel W Donnelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:51
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/08; F25D23/082; F25D23/085; F25D2400/00; F25D2400/10; Y; Y10; Y10S; Y10S220/00; Y10S220/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2254780A
Cited
US2518673A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |