US3480565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Naphthalene and orthoxylene oxidation catalysts
Assignee: Catalysts and Chemicals Inc
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Filing: 1967-08-04
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Granted: 1969-11-25
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Expires: 1987-08-04
Abstract
No abstract record available.
Inventors
- 👤 Rodney A Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:08
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/255; C07C51/265; B; B01; B01J; B01J23/00; B01J23/16; B01J23/20; B01J23/22; B01J23/24; B01J23/26; B01J37/00; B01J37/02; B01J37/0215; B01J37/0221; B01J37/0223; C07C51/31; C07C51/313
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |