US3660347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film for protecting a vehicle bottom plate
Assignee: Henkel Teroson GmbH
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Filing: 1970-02-17
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Granted: 1972-05-02
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Expires: 1990-02-17
Abstract
Abstract THE BOTTOM PLATE AND OTHER PARTS OF A VEHICLE ARE PROTECTED FROM CORROSION AND ROAD MATERIALS BY APPLYING A FILM COMPRISED OF 10 TO 40 PERCENT OF AN ETHYLENE COPOLYMER, 90 TO 60 PERCENT OF INORGANIC FILLERS, AND OPTIONALLY UP TO 20 PERCENT OF A PLASTICIZER AND UP TO 10 PERCENT OF A VINYL RESIN TO IMPART SPECIAL PROPERTIES. THE FILM IS SELF-SUPPORTING AND HAS A SPECIFIC DENSITY OF 1.5 TO 3.0 G./CM.3. THE FILM IS IN THE FORM OF A SHEET OR SHAPED TO THE CONTOUR OF THE SURFACE TO WHICH IT IS TO BE ATTACHED BY ADHESIVE OR MELT BONDING.
Inventors
- 👤 Gerhard Hermann Wendler
- 👤 Gunther Heinz Minet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:10
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B1/86; C; C08; C08K; C08K3/00; C08K3/01; C08K3/013; E04B2001/742; E04B2001/8457; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/26; Y10T428/28; Y10T428/31504; Y10T428/31855
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) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |