US3578550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foil-backed non-skid sheet
Assignee: 3M Co
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Filing: 1969-01-31
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Granted: 1971-05-11
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Expires: 1989-01-31
Abstract
Abstract FOIL-BACKED NON-SKID SHEET MATERIAL SUITABLE FOR INSTALLATION ON ROUGH, IRREGULAR, AND CURVED SURFACES WITH WHICH IT MAINTAINS INTIMATE CONTACT OVER EXTENDED PERIODS OF TIME. AN "OPEN COAT" SINGLE LAYER OF FRICTIONAL PARTICLES IS ADHERED IN A REGULAR MANNER TO AN ANNEALED ALUMINUM FOIL BACKING BY A FLEXIBLE, ELASTOPLASTIC, SILANE-CONTAINING POLYURETHANE BINDER. THE REAR FACE OF THE FOIL IS COATED WITH A NORMALLY TACKY AND PRESSURE-SENSITIVE ADHESIVE.
Inventors
- 👤 Alfred J Hoerner
- 👤 George M Seiter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:11
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0042; E; E04; E04F; E04F11/00; E04F11/02; E04F11/104; E04F11/16; E04F15/00; E04F15/02; E04F15/02172; E04F15/16; Y; Y10; Y10T; Y10T428/00; Y10T428/14; Y10T428/1438; Y10T428/1443; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/25; Y10T428/259
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) | 1974-05-10 | 1974-11-09 | 1975-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-10 | 1978-11-09 | 1979-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-10 | 1982-11-09 | 1983-05-11 | $7700.00 | Window Closed / Lapsed |