Patent US3849124A successfully refreshed from Google Patents.
US2984419A
Expired / Lapsed
US
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Exhaust operated cleaning device
Assignee: Individual
•
Filing: 1958-08-04
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Granted: 1961-05-16
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Expires: 1978-08-04
Abstract
No abstract record available.
Inventors
- 👤 George D Mcouat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:27
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/62; B60S1/66; B05; B05B; B05B7/00; B05B7/02; B05B7/04; B08; B08B; B08B3/00; B08B3/02; B08B3/026; B08B3/028; B60S3/00; B60S3/04; B60S3/044; B08B2203/00; B08B2203/02; B08B2203/0241; B08B2203/027
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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |