US3020576A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction washing appliance
Assignee: Hoover Co
•
Filing: 1960-07-11
•
Granted: 1962-02-13
•
Expires: 1980-07-11
Abstract
No abstract record available.
Inventors
- 👤 Dale C Gerber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:50
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4097; A47L11/29; A47L11/30; A47L11/4002; A47L11/4008; A47L11/408; A47L11/4083; A47L11/4088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |