US2933093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cleansing liquid containing tanks or vessels
Assignee: BRITISH MILLER HYDRO Co L
•
Filing: 1955-08-18
•
Granted: 1960-04-19
•
Expires: 1975-08-18
Abstract
No abstract record available.
Inventors
- 👤 James B Handyside
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:51
CPC Classifications
B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/06; B05B3/066; B05B9/00; B05B9/03; B05B9/04; B05B9/0403; B08; B08B; B08B9/00; B08B9/08; B08B9/093; B08B9/0936
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1806740A
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US2603227A
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US1799105A
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US2208813A
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US2306926A
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US2471506A
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US2576843A
Cited
US2570021A
Cited
US2653420A
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US2653116A
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US2714080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |