Patent US3063082A successfully refreshed from Google Patents.
US3063082A
Expired / Lapsed
US
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Suction cleaner
Assignee: National Super Service Co
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Filing: 1960-08-03
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Granted: 1962-11-13
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Expires: 1980-08-03
Abstract
No abstract record available.
Inventors
- 👤 Edward N Rosenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:53
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4075; A47L11/29; A47L11/30; A47L11/4013; A47L11/4025; A47L11/4027; A47L11/4036; A47L11/4052; A47L11/4058; A47L11/4061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US511543A
Cited
US1220640A
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US1297384A
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US2543833A
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US2719596A
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US2643732A
Cited
US2914791A
Cited
US2876484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |