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Patent US2932054A successfully refreshed from Google Patents.
US2932054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner
Assignee: Sunbeam Corp
•
Filing: 1958-12-05
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Granted: 1960-04-12
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Expires: 1978-12-05
Abstract
No abstract record available.
Inventors
- 👤 Lichtgarn Fred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:09
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/04; A47L9/0405; A47L9/0411; A47L9/0416
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
US1633598A
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US1742810A
Cited
GB289367A
Cited
DE577730C
Cited
GB455210A
Cited
US2295817A
Cited
GB548960A
Cited
US2468550A
Cited
FR978290A
Cited
US2769506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |