Patent US2842623A successfully refreshed from Google Patents.
US3719014A
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Wall system
Assignee: Cyprus Amax Minerals Co
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Filing: 1971-08-03
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Granted: 1973-03-06
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Expires: 1991-08-03
Abstract
Abstract THERE IS PROVIDED AN IMPROVED WALL SYSTEM WHEREIN THE STRUCTURAL PORTIONS OF THE VERTICAL MULLIONS ARE SEPARATE FROM THE REMAINING PORTION OF THE WALL. THUS, THERE IS PROVIDED A STRUCTURAL MULLION PORTION WITH HORIZONTAL THROUGH MEMBERS WHEREIN THE INTERIOR JULLION PORTION SNAPS TO THE STRUCTURAL MULLION PORTION TO LOCK THE THROUGH HORIZONTAL MEMBERS IN POSITION. THE SHAPE OF THE STRUCTURAL PORTION MAY BE VARIED WITHOUT CHANGING THE OTHER MEMBERS OF THE SYSTEM.
Inventors
- 👤 R Sukolics
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:00
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/54; E06B3/58; E06B3/5807; E06B3/5842; E04; E04B; E04B2/00; E04B2/88; E04B2/96
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) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |