US3516783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for removing ozone from ozone-loaded air
Assignee: GEN EAUX CIE
•
Filing: 1966-03-09
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Granted: 1970-06-23
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Expires: 1986-03-09
Abstract
No abstract record available.
Inventors
- 👤 Paul Blanchard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:39
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/0407; B01D53/0431; B01D53/0438; B01D53/34; B01D53/46; B01D53/66; C; C01; C01B; C01B13/00; C01B13/10; C02; C02F; C02F1/00; C02F1/72; C02F1/78; B01D2253/00; B01D2253/10; B01D2253/102; B01D2253/30; B01D2253/302; B01D2253/304; B01D2257/00; B01D2257/10; B01D2257/106; Y; Y02; Y02A; Y02A50/00; Y02A50/20
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) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |