US2819245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane-epoxide resin reaction products
Assignee: Dow Silicones Corp
•
Filing: 1955-03-07
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Granted: 1958-01-07
•
Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 Leonard M Shorr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:39
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
20 words
THE REACTION PRODUCT OF (1) FROM 1-99 PRECENT BY WEIGHT OF A SILOXANE CONSISTING ESSENTIALLY OF UNITS OF THE FORMULA
Claim 2
Dependent Claim
20 words
THE REACTION PRODUCT OF (1) FROM 1-99 PRECENT BY WEIGHT OF A SILOXANE CONSISTING ESSENTIALLY OF UNITS OF THE FORMULA
References Cited (Backward Citations)
US2695276A
Cited
US2687398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |