US2652385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane resins
Assignee: Dow Silicones Corp
•
Filing: 1947-01-06
•
Granted: 1953-09-15
•
Expires: 1967-01-06
Abstract
No abstract record available.
Inventors
- 👤 Melvin J Hunter
- 👤 Earle J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:02
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A RESINOUS POLYSILOXANE ESSENTIALLY ALL THE SILOXANE STRUCTURAL UNITS OF WHICH ARE AS FOLLOWS:
Claim 2
Dependent Claim
14 words
A RESINOUS POLYSILOXANE ESSENTIALLY ALL THE SILOXANE STRUCTURAL UNITS OF WHICH ARE AS FOLLOWS:
References Cited (Backward Citations)
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GB572230A
Cited
US2442212A
Cited
US2398672A
Cited
US2383827A
Cited
US2450594A
Cited
US2406621A
Cited
US2508196A
Cited
US2470479A
Cited
US2447611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |