US3677877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article of silicone rubber having surfaces resistant to dirt pick-up
Assignee: Dow Silicones Corp
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Filing: 1970-10-30
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Granted: 1972-07-18
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Expires: 1990-10-30
Abstract
Abstract ARTICLES OF OPTICALLY CLEAR FILLED SILICONE RUBBER AND FILLED SILICONE RUBBER ARTICLES HAVING AESTHETIC VALUE HAVE SURFACES RESISTANT TO DIRT PICK-UP WHEN TREATED WITH COLD PLASMA.
Inventors
- 👤 Virgil L Metevia
- 👤 Raymond M Narlock
- 👤 Milfred E Mast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:58
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/12; C08J7/123; B; B29; B29C; B29C59/00; B29C59/14; C08J2383/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31
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) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |