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US2802017A
Expired / Lapsed
US
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Double substituted-arylmethyl silicon compounds
Assignee: Westinghouse Electric Corp
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Filing: 1953-04-21
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Granted: 1957-08-06
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Expires: 1973-04-21
Abstract
No abstract record available.
Inventors
- 👤 Lawrence W Frost
- 👤 Gordon C Gainer
- 👤 Daniel W Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:15
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/46; H01B3/465; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/081; C07F7/0834; C07F7/0838; C07F7/12; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN ORGANOSILICON COMPOUND COMPRISING ONLY THE GROUP
Claim 2
Dependent Claim
7 words
AN ORGANOSILICON COMPOUND COMPRISING ONLY THE GROUP
References Cited (Backward Citations)
US2389804A
Cited
US2389802A
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US2377689A
Cited
US2636896A
Cited
US2571090A
Cited
US2640063A
Cited
US2530202A
Cited
US2590650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |