Patent US2999076A successfully refreshed from Google Patents.
US2999076A
Expired / Lapsed
US
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Organopolysiloxane elastomers containing silica and a carboxylic acid salt of cobalt, cerium or copper
Assignee: Dow Silicones Corp
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Filing: 1956-08-28
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Granted: 1961-09-05
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Expires: 1976-08-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas D Talcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:02
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A HEAT CURABLE ORGANOPOLYSILOXANE RUBBER STOCK CONSISTING ESSENTIALLY OF (A) AN ORGANOSILOXANE OF THE AVERAGE GENERAL FORMULA
Claim 2
Dependent Claim
17 words
A HEAT CURABLE ORGANOPOLYSILOXANE RUBBER STOCK CONSISTING ESSENTIALLY OF (A) AN ORGANOSILOXANE OF THE AVERAGE GENERAL FORMULA
References Cited (Backward Citations)
US2759904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |