US3194629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing mercury vapor from gases
Assignee: Pittsburgh Activated Carbon Co
•
Filing: 1962-02-23
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Granted: 1965-07-13
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Expires: 1982-02-23
Abstract
No abstract record available.
Inventors
- 👤 John A Dreibelbis
- 👤 Ronald S Joyce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:57
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/34; B01D53/46; B01D53/64; C; C01; C01B; C01B3/00; C01B3/50; C01B3/56; C01B32/00; C01B32/30; C01B32/312; C01B32/342; C01B32/348; B01D2253/00; B01D2253/10; B01D2253/102; B01D2256/00; B01D2256/10; B01D2256/12; B01D2256/16; B01D2256/22; B01D2257/00; B01D2257/60; B01D2257/602; B01D2259/00; B01D2259/40; B01D2259/40083; B01D2259/40086; C01B2203/00; C01B2203/04; C01B2203/042; C01B2203/0465
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A PROCESS OF REMOVING MERCURY FROM A GAS CONTAMINATED WITH THE SAME COMPRISING PASSING THE GAS OVER ACTIVATED CARBON IMPREGNATED WITH SULFUR.
Claim 2
Dependent Claim
22 words
A PROCESS OF REMOVING MERCURY FROM A GAS CONTAMINATED WITH THE SAME COMPRISING PASSING THE GAS OVER ACTIVATED CARBON IMPREGNATED WITH SULFUR.
References Cited (Backward Citations)
US1984164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |