Patent US3232033A successfully refreshed from Google Patents.
US3232033A
Expired / Lapsed
US
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Device for absorption of mercury vapor
Assignee: Cordero Mining Co
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Filing: 1962-04-24
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Granted: 1966-02-01
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Expires: 1982-04-24
Abstract
No abstract record available.
Inventors
- 👤 Samuel H Williston
- 👤 Marion H Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:48
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/0407; B01D39/00; B01D39/14; B01D39/20; B01D39/2003; B01D39/2017; B01D53/34; B01D53/46; B01D53/64; B01D2239/00; B01D2239/04; B01D2239/0471; B01D2253/00; B01D2253/10; B01D2257/00; B01D2257/60; B01D2257/602; B01D53/0446
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA627808A
Cited
US2511288A
Cited
US2552910A
Cited
US2847332A
Cited
US2824620A
Cited
DE1075953B
Cited
US2992701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |