US2528615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane resins
Assignee: Dow Silicones Corp
•
Filing: 1946-01-21
•
Granted: 1950-11-07
•
Expires: 1966-01-21
Abstract
No abstract record available.
Inventors
- 👤 Earle J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:06
CPC Classifications
C; C08; C08G; C08G77/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A RESINOUS SILOXANE THE STRUCTURAL UNITS OF WHICH ARE AS FOLLOWS:
Claim 2
Dependent Claim
11 words
A RESINOUS SILOXANE THE STRUCTURAL UNITS OF WHICH ARE AS FOLLOWS:
References Cited (Backward Citations)
US2386466A
Cited
US2258222A
Cited
US2371050A
Cited
US2398672A
Cited
US2383827A
Cited
US2435147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-06 | 1954-05-08 | 1954-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-06 | 1958-05-08 | 1958-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-06 | 1962-05-08 | 1962-11-07 | $7700.00 | Window Closed / Lapsed |