Patent US3445184A successfully refreshed from Google Patents.
US3445184A
Expired / Lapsed
US
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Process for producing shaped mordenite bodies
Assignee: Saint Gobain Abrasives Inc
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Filing: 1967-09-18
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Granted: 1969-05-20
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Expires: 1987-09-18
Abstract
No abstract record available.
Inventors
- 👤 Osgood J Whittemore Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:09
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2861; Y; Y10; Y10S; Y10S423/00; Y10S423/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US943535A
Cited
US1140262A
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US2882244A
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US3130006A
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US3119659A
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GB992872A
Cited
US3334964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |