US3495384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noxious residue eliminator for smelting plant
Assignee: Individual
•
Filing: 1968-06-24
•
Granted: 1970-02-17
•
Expires: 1988-06-24
Abstract
No abstract record available.
Inventors
- 👤 Howard Alliger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:28
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; B01D49/00; B01D49/006; F; F23; F23J; F23J15/00; F23J15/02; F23J15/04; Y; Y10; Y10S; Y10S261/00; Y10S261/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE179626C
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US1279895A
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US2215484A
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US2643105A
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US2800100A
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US2935375A
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US3026966A
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US3276419A
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US3389971A
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US3390869A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |