US2759228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner scenting attachment
Assignee: Individual
•
Filing: 1952-05-14
•
Granted: 1956-08-21
•
Expires: 1972-05-14
Abstract
No abstract record available.
Inventors
- 👤 Gordon Reuben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:54
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/04; Y; Y10; Y10S; Y10S55/00; Y10S55/03; Y10S55/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1091929A
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US1439881A
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US1810613A
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US1783859A
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US1931553A
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GB415405A
Cited
GB428565A
Cited
US2107019A
Cited
US2103049A
Cited
US2050773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |