US2862226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction head for a vacuum cleaner
Assignee: Individual
•
Filing: 1954-11-22
•
Granted: 1958-12-02
•
Expires: 1974-11-22
Abstract
No abstract record available.
Inventors
- 👤 Marshall B Peale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:30
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/02; A47L9/06; A47L9/0606; A47L9/0613
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE511645C
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GB189909350A
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GB185278A
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DE512641C
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US2038424A
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US2101222A
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US2198339A
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US2243120A
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US2206738A
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US2679068A
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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) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |