US3339347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1965-10-05
•
Granted: 1967-09-05
•
Expires: 1985-10-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert R Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:33
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/05; B; B01; B01D; B01D46/00; B01D46/24; B01D46/2403; B01D46/2411; B01D46/56; B01D46/62; B01D46/66; B01D46/70; B01D46/71; F01N3/021; F01N3/0212; B01D2275/00; B01D2275/10; B01D2279/00; B01D2279/30; F01N2270/00; F01N2290/00; F01N2330/00; F01N2330/12; F01N2470/00; F01N2470/02; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |