US3480529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-chemical method for selected dissociation
Assignee: Individual
•
Filing: 1967-10-31
•
Granted: 1969-11-25
•
Expires: 1987-10-31
Abstract
No abstract record available.
Inventors
- 👤 Owen R Waltrip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:39
CPC Classifications
B; B01; B01D; B01D43/00; C; C02; C02F; C02F1/00; C02F1/34; C02F1/36; C02F1/48; C02F1/44; C02F1/441; C02F1/46; C02F1/461; C02F1/46104; C02F1/463; C02F2201/00; C02F2201/46; C02F2201/461; C02F2201/46105; C02F2201/4616
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2085711A
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US2585103A
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US2907455A
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US2861932A
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US3109721A
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US3206397A
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US3294666A
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US3266631A
Cited
US3305481A
Cited
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 |