US2550205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acyloxymethyl substituted siloxanes
Assignee: Dow Silicones Corp
•
Filing: 1948-07-02
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Granted: 1951-04-24
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Expires: 1968-07-02
Abstract
No abstract record available.
Inventors
- 👤 Jr John Leopold Speier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:21
CPC Classifications
C; C10; C10M; C10M107/00; C10M107/20; C10M107/30; C10M107/32; C10M107/34; B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; B01D19/0409; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0874; C07F7/0889; C08; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/38; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/1045; C10M2209/105; C10M2209/1055; C10M2209/109; C10M2209/1095; C10N; C10N2020/00; C10N2020/01; C10N2020/02; C10N2070/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
POLYSILOXANES, THE POLYMER UNITS OF WHICH ARE OF THE GENERAL FORMULA
Claim 2
Dependent Claim
11 words
POLYSILOXANES, THE POLYMER UNITS OF WHICH ARE OF THE GENERAL FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |