US3178392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heterocyclic and linear siliconmethylene and polysiloxane compounds containing siliconmethylene units and their preparation
Assignee: Rohm and Haas Co
•
Filing: 1962-04-09
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Granted: 1965-04-13
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Expires: 1982-04-09
Abstract
No abstract record available.
Inventors
- 👤 William A Kriner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:59
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/48; C08G77/50; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/0805; C07F7/0807; C07F7/0834; C07F7/0838; C07F7/12; C07F7/18; C07F7/1804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2888475A
Cited
US3046291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |