US3510258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of faujasite-type crystalline aluminosilicates
Assignee: Engelhard Industries Inc
•
Filing: 1966-07-19
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Granted: 1970-05-05
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Expires: 1986-07-19
Abstract
No abstract record available.
Inventors
- 👤 Saul G Hindin
- 👤 Joseph C Dettling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:16
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2838; Y; Y10; Y10S; Y10S423/00; Y10S423/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3343913A
Cited
US3130007A
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US3227660A
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US3321272A
Cited
US3374058A
Cited
US3433589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |