US2809207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricants comprising silicone fluids
Assignee: Westinghouse Electric Corp
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Filing: 1954-11-26
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Granted: 1957-10-08
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Expires: 1974-11-26
Abstract
No abstract record available.
Inventors
- 👤 Gordon C Gainer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:54
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A LIQUID LINEAR POLYSILOXANE HAVING THE FORMULA
Claim 2
Dependent Claim
7 words
A LIQUID LINEAR POLYSILOXANE HAVING THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |