US2495686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface cleaning and shampooing machine
Assignee: Individual
•
Filing: 1947-11-24
•
Granted: 1950-01-31
•
Expires: 1967-11-24
Abstract
No abstract record available.
Inventors
- 👤 Berberian Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:17
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4063; A47L11/4069; A47L11/29; A47L11/30; A47L11/302; A47L11/305; A47L11/4036; A47L11/4038; A47L11/4044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US928456A
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US935559A
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US1211945A
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US1498255A
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US1808656A
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US2039903A
Cited
US2217617A
Cited
US2168472A
Cited
US2153207A
Cited
US2239183A
Cited
US2250177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |