US3559358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facing wall constrution
Assignee: Johns Manville Corp
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Filing: 1967-09-15
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Granted: 1971-02-02
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Expires: 1987-09-15
Abstract
Abstract CEMENTITIOUS FACING PANELS ARE SECURED TO A BUILDING WALL BY MEANS OF CLIPS, EACH CLIP HAVING ONE PORTION ATTACHED TO THE WALL AND ANOTHER PORTION FITTED IN AN INTEGRALLY FORMED GROOVE IN THE BACK OF A FACING PANEL. THE PANEL GROOVES SLIDABLY MATE WITH THE CLIPS TO PERMIT EASY INSTALLATION.
Inventors
- 👤 Robert Vincent Lohse
- 👤 David George Fowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:08
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0832; E04F13/0833; E04F13/0846
Claims Analysis
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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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |