Patent US3561183A successfully refreshed from Google Patents.
US3561183A
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Wall construction
Assignee: HINCHLIFFE AND KEENER
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Filing: 1969-02-20
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Granted: 1971-02-09
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Expires: 1989-02-20
Abstract
Abstract A WALL CONSTRUCTION AND METHOD OF ERECTION THEREOF WHICH UTILIZES SPACED PARALLEL Z-BARS AFFIXED TRANSVERSELY OF PARALLEL BUCKSTAYS AND INCLUDES POSITIONING INSULATION PANELS IN SINGLE OR DOUBLE LAYERS BETWEEN THE Z-BARS WHERE THEY ARE RETAINED BY SPECIAL CLIP MEANS ATTACHED TO ONE OF THE Z-BARS AND INSULATION PANELS. FACING MAY BE APPLIED ACROSS THE WALL CONSTRUCTION FOR ADDITIONAL RIGIDITY
Inventors
- 👤 Charles K Keener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:29
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |