US2677144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Squeegee nozzle for wet pickup suction cleaners
Assignee: General Electric Co
•
Filing: 1950-04-15
•
Granted: 1954-05-04
•
Expires: 1970-04-15
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Parry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:23
CPC Classifications
A; A47; A47L; A47L7/00; A47L7/0004; A47L7/0009; A47L9/00; A47L9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US635462A
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US674962A
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US954541A
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US1297387A
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US1413441A
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US1849663A
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US1897726A
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US1987296A
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US2292435A
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FR854122A
Cited
US2306946A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-03 | 1957-11-02 | 1958-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-03 | 1961-11-02 | 1962-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-03 | 1965-11-02 | 1966-05-04 | $7700.00 | Window Closed / Lapsed |