US2837550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxyalkylcyclopolysiloxanes
Assignee: General Electric Co
•
Filing: 1955-05-18
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Granted: 1958-06-03
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Expires: 1975-05-18
Abstract
No abstract record available.
Inventors
- 👤 Prober Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:11
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/21; C10; C10M; C10M107/00; C10M107/50; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/0415; C10M2229/046; C10M2229/0465; C10M2229/047; C10M2229/0475; C10N; C10N2030/00; C10N2030/02; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2527591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |