US3328826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination vacuum cleaner and hassock
Assignee: Individual
•
Filing: 1965-06-25
•
Granted: 1967-07-04
•
Expires: 1985-06-25
Abstract
No abstract record available.
Inventors
- 👤 Paul E Amos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:58
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/0009; A47L9/0018; A47L9/0027; A47L9/0036
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2203088A
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GB468720A
Cited
US2260237A
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US2381426A
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US2400558A
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US2544405A
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US2699838A
Cited
US2776726A
Cited
US2865465A
Cited
US2929462A
Cited
US3232030A
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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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |