Patent US2875947A successfully refreshed from Google Patents.
US2875947A
Expired / Lapsed
US
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Fluid suction device
Assignee: Whirlpool Corp
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Filing: 1955-07-28
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Granted: 1959-03-03
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Expires: 1975-07-28
Abstract
No abstract record available.
Inventors
- 👤 Bradley Addison Ballard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:46
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320224A
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US956148A
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US993985A
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FR554074A
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US1940260A
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US1860883A
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US2025946A
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US2172180A
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US2394953A
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US2336716A
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US2670896A
Cited
US2780826A
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US2781103A
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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) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |