Patent US1349711A successfully refreshed from Google Patents.
US3110601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic silicate materials
Assignee: PQ Corp
•
Filing: 1960-11-23
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Granted: 1963-11-12
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Expires: 1980-11-23
Abstract
No abstract record available.
Inventors
- 👤 Emblem Harold Garton
- 👤 Hurt Norman Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:07
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/04; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
17 words
A CONDENSATION PRODUCT OF AN AMINOALKYL SILICATE AND AN OXIRANE COMPOUND, SAID OXIRANE COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
17 words
A CONDENSATION PRODUCT OF AN AMINOALKYL SILICATE AND AN OXIRANE COMPOUND, SAID OXIRANE COMPOUND HAVING THE FORMULA:
Claim 3
Dependent Claim
47 words
A METHOD OF BINDING PARTICULATE REFRACTORY MATERIAL IN WHICH REFRACTORY MATERIAL AND A CONDENSATION PRODUCT AS CLAIMED IN CLAIM 1 CAPABLE OF FORMING A GEL WITH WATER ARE MIXED, THE MIXTURE SHAPED TO THE DESIRED FORM AND THE COMPOSITION ALLOWED TO SET BYA THE ACTION OF WATER.
References Cited (Backward Citations)
US2660538A
Cited
GB611990A
Cited
US2814572A
Cited
US2885419A
Cited
FR1239808A
Cited
US2953545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |