Patent US3013628A successfully refreshed from Google Patents.
US3013628A
Expired / Lapsed
US
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Device for abatement of air pollution
Assignee: Individual
•
Filing: 1959-10-12
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Granted: 1961-12-19
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Expires: 1979-10-12
Abstract
No abstract record available.
Inventors
- 👤 Morris B Jacobs
- 👤 Ettinger Irving
- 👤 Moe M Bravermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:24
CPC Classifications
B; B04; B04C; B04C5/00; F; F23; F23G; F23G7/00; F23G7/06; F23G7/061; F23G7/065; F23J; F23J15/00; F23J15/02; F23J15/022; F23J15/027
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) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |