US2882243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molecular sieve adsorbents
Assignee: Union Carbide Corp
•
Filing: 1953-12-24
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Granted: 1959-04-14
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Expires: 1973-12-24
Abstract
No abstract record available.
Inventors
- 👤 Robert M Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:36
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J20/186; C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2815; Y; Y10; Y10S; Y10S423/00; Y10S423/24; Y10S424/00; Y10S424/07; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A CRYSTALLINE SYNTHETIC MATERIAL HAVING A COMPOSITION EXPRESSED IN TERMS OF OXIDES AS FOLLOWS:
Claim 2
Dependent Claim
14 words
A CRYSTALLINE SYNTHETIC MATERIAL HAVING A COMPOSITION EXPRESSED IN TERMS OF OXIDES AS FOLLOWS:
References Cited (Backward Citations)
US1682588A
Cited
US1906203A
Cited
US2137605A
Cited
US2306610A
Cited
GB574911A
Cited
US2413134A
Cited
US2512053A
Cited
US2617712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |