US2847084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust collecting receptacle for vacuum cleaner
Assignee: Individual
•
Filing: 1954-09-15
•
Granted: 1958-08-12
•
Expires: 1974-09-15
Abstract
No abstract record available.
Inventors
- 👤 Edna M Wolfskill
- 👤 Louis X Gallas
- 👤 Wilbur C Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:15
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/14; A47L9/1409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2316353A
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US2467503A
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US2532933A
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GB659664A
Cited
US2613454A
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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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |