Patent US1876368A successfully refreshed from Google Patents.
Patent US2716638A successfully refreshed from Google Patents.
US2716638A
Expired / Lapsed
US
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Divinyltetramethyldisiloxane and polymers therefrom
Assignee: General Electric Co
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Filing: 1952-11-22
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Granted: 1955-08-30
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Expires: 1972-11-22
Abstract
No abstract record available.
Inventors
- 👤 Cohen Merrill
- 👤 John R Ladd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:03
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/46; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
DIVINYLTETRAMETHYLDISILOXANE.
Claim 2
Dependent Claim
1 words
DIVINYLTETRAMETHYLDISILOXANE.
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) | 1958-08-29 | 1959-02-28 | 1959-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-29 | 1963-02-28 | 1963-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-29 | 1967-02-28 | 1967-08-30 | $7700.00 | Window Closed / Lapsed |