Patent US5593419A successfully refreshed from Google Patents.
Patent US3818513A successfully refreshed from Google Patents.
US3475375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel amorphous guanidine silicates,and compositions thereof with synthetic resins
Assignee: EIDP Inc
•
Filing: 1968-03-25
•
Granted: 1969-10-28
•
Expires: 1988-03-25
Abstract
No abstract record available.
Inventors
- 👤 Paul C Yates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:06
CPC Classifications
C; C09; C09J; C09J1/00; B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/103; B01J21/00; B01J21/16; B01J29/00; B01J29/04; B01J29/049; B01J29/06; B01J37/00; B01J37/0009; B82; B82Y; B82Y30/00; C01; C01B; C01B33/00; C01B33/113; C04; C04B; C04B12/00; C04B12/04; C04B28/00; C04B28/24; C04B35/00; C04B35/622; C04B35/626; C04B35/63; C04B35/6303; C04B35/6316; C09C; C09C1/00; C09C1/36; C09C1/3607; C09C1/3653; C09C1/3661; C09D; C09D1/00; B01J2229/00; B01J2229/30; B01J2229/42; C01P; C01P2002/00; C01P2002/02; C01P2004/00; C01P2004/30; C01P2004/32; C01P2004/60; C01P2004/64; C01P2004/80; C01P2006/00; C01P2006/12; C01P2006/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |