US2527808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosiloxanes
Assignee: Dow Silicones Corp
•
Filing: 1949-03-19
•
Granted: 1950-10-31
•
Expires: 1969-03-19
Abstract
No abstract record available.
Inventors
- 👤 Jr John T Goodwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:32
CPC Classifications
C; C08; C08G; C08G77/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
13 words
ORGANOSILICON POLYMERS, THE POLYMERIC UNITS OF WHICH CONSIST OF UNITS OF THE TYPE
Claim 2
Dependent Claim
13 words
ORGANOSILICON POLYMERS, THE POLYMERIC UNITS OF WHICH CONSIST OF UNITS OF THE TYPE
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) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |