US3368928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primer composition and method of bonding silicone rubber to a metal surface susceptible to sulfide formation
Assignee: Stauffer Chemical Co
•
Filing: 1964-07-06
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Granted: 1968-02-13
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Expires: 1984-07-06
Abstract
No abstract record available.
Inventors
- 👤 Rejenjra N Chadha
- 👤 Townsend H Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:23
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/02; C23C22/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3050490A
Cited
US2517945A
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US2799693A
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US2851386A
Cited
US2859144A
Cited
US2751314A
Cited
US3108898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |