US3450494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amorphous sodium silicate having inherent binding properties and method of producing same
Assignee: CONRAD J GAISER
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Filing: 1967-07-18
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Granted: 1969-06-17
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Expires: 1987-07-18
Abstract
No abstract record available.
Inventors
- 👤 Conrad J Gaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:08
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/32; C01B33/325; C11; C11D; C11D17/00; C11D17/0047; C11D17/0065; C11D17/0073; C11D17/0086; C11D3/00; C11D3/02; C11D3/04; C11D3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191123391A
Cited
US2730170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |