US3682690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article coated with a water-washable tacky elastomer
Assignee: EDWARD T STRICKLAND
•
Filing: 1970-06-17
•
Granted: 1972-08-08
•
Expires: 1990-06-17
Abstract
Abstract UPON A BASE IS A FILM OF WATER-WASHABLE TACKY ELASTOMER, HAVING A MODULUS OF ELASTICITY (YOUNG''S MODULUS) OF ABOUT 1 TO 100 P.S.I., AND AN INTERNAL VISCOSITY OF ABOUT 1000 TO 20,000 POISES OR EXPRESSED IN MINUTES BY ANOTHER TEST METHOD, OF FROM 0.1 TO 800 MINUTES. THE ELASTOMER IS A HYDROPHOBIC, WATER-INSOLUBLE ELASTIC SOLID WITH LOW CREEP, TYPICALLY MADE FROM SUCH MATERIALS AS POLYVINYL CHLORIDE, COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE, POLYURETHANE, OR POLYSULFIDE; OFTEN A PLASTICIZER COMPATIBLE THEREWITH IS EMPLOYED TO OBTAIN THE DESIRED PHYSICAL QUALITIES. D R A W I N G
Inventors
- 👤 Homer C Amos
- 👤 Edward T Strickland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:58
CPC Classifications
C; C08; C08L; C08L81/00; C08L81/04; A; A47; A47L; A47L13/00; A47L13/10; A47L13/16; A47L25/00; A47L25/005; C09; C09J; C09J7/00; C09J7/20; C09K; C09K3/00; C09K3/32; Y; Y10; Y10T; Y10T428/00; Y10T428/28; Y10T428/2835; Y10T428/2852; Y10T428/2878; Y10T428/2896
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |