US3434864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensitized sheet material containing deammoniated,ammonium-exchanged molecular sieve
Assignee: BASF Catalysts LLC
•
Filing: 1965-06-17
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Granted: 1969-03-25
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Expires: 1985-06-17
Abstract
No abstract record available.
Inventors
- 👤 Walter L Haden Jr
- 👤 Edgar W Sawyer Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:26
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/124; B41M5/132; B41M5/155; B41M5/1555; B01; B01J; B01J13/00; B01J13/02; B01J13/025; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249971; Y10T428/249974
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2581186A
Cited
US2641557A
Cited
US2730456A
Cited
US3130007A
Cited
US3112176A
Cited
US3310373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |