US2684271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handle connection for suction cleaners
Assignee: Hoover Co
•
Filing: 1949-07-07
•
Granted: 1954-07-20
•
Expires: 1969-07-07
Abstract
No abstract record available.
Inventors
- 👤 George A Brace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:56
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/32; A47L9/325; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1231445A
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US1575028A
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US1477243A
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US1791423A
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US2221746A
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US2131842A
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US2200738A
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US2243812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |