US3199138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaner
Assignee: Whirlpool Corp
•
Filing: 1963-04-22
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Granted: 1965-08-10
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Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Erwin E Nordeen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:21
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4013; A47L11/02; A47L11/10; A47L11/14; A47L11/18; A47L11/20; A47L11/4036; A47L11/4041; A47L11/4044; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2149588A
Cited
US1063559A
Cited
US1752882A
Cited
US2225621A
Cited
US2300266A
Cited
US2689969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |