US2595891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclopolysiloxanes
Assignee: General Electric Co
•
Filing: 1946-03-21
•
Granted: 1952-05-06
•
Expires: 1966-03-21
Abstract
No abstract record available.
Inventors
- 👤 Robert O Sauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:25
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0896; C08; C08G; C08G77/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A CYCLOPOLYSILOXANE CORRESPONDING TO THE GENERAL FORMULA (CH3SIHO)N, WHERE N REPRESENTS AN INTEGER WHICH IS AT LEAST 4 AND NOT MORE THAN 6.
Claim 2
Dependent Claim
23 words
A CYCLOPOLYSILOXANE CORRESPONDING TO THE GENERAL FORMULA (CH3SIHO)N, WHERE N REPRESENTS AN INTEGER WHICH IS AT LEAST 4 AND NOT MORE THAN 6.
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) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |