US2825086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable vacuum cleaner construction including a base and cord-reel
Assignee: Individual
•
Filing: 1952-10-04
•
Granted: 1958-03-04
•
Expires: 1972-10-04
Abstract
No abstract record available.
Inventors
- 👤 Bernard J Tamarin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:40
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB278603A
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FR637490A
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US1748853A
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FR681242A
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US1970576A
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DE648771C
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DE653166C
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US2248585A
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US2391840A
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US2514144A
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US2579206A
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US2591365A
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US2659560A
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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) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |