US3308149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic polyalkyleneoxy silicates
Assignee: GAF Chemicals Corp
•
Filing: 1963-06-13
•
Granted: 1967-03-07
•
Expires: 1983-06-13
Abstract
No abstract record available.
Inventors
- 👤 Leslie M Schenck
- 👤 Jr Leslie G Nunn
- 👤 Robert E Leary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:47
CPC Classifications
C; C10; C10M; C10M3/00; C07; C07F; C07F7/00; C07F7/02; C07F7/04; C07F7/06; C10M2227/00; C10M2227/02; C10M2227/04; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
AN ORGANIC POLYALKYLENEOXY SILICATE SELECTED FROM THE CLASS CONSISTING OF THOSE CHARACTERIZED BY THE FOLLOWING FORMULAE:
Claim 2
Dependent Claim
16 words
AN ORGANIC POLYALKYLENEOXY SILICATE SELECTED FROM THE CLASS CONSISTING OF THOSE CHARACTERIZED BY THE FOLLOWING FORMULAE:
References Cited (Backward Citations)
US2717242A
Cited
US2839558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |