US3017951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer of gases into and from liquid media
Assignee: Sulphite Products Corp
•
Filing: 1958-07-31
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Granted: 1962-01-23
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Expires: 1978-07-31
Abstract
No abstract record available.
Inventors
- 👤 Averill J Wiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:35
CPC Classifications
D; D21; D21C; D21C11/00; D21C11/0057; B; B01; B01D; B01D19/00; B01D19/0042; B01D19/0052; B01D19/0057; B01F; B01F23/00; B01F23/20; B01F23/23; C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/20; C02F3/205; C12; C12M; C12M27/00; C12M27/18; C12M27/24; C12M29/00; C12M29/20; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB209439A
Cited
US2254600A
Cited
US2463251A
Cited
US2603305A
Cited
US2753010A
Cited
US2678913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |