US3012267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum cleaner with movable nozzle brush
Assignee: General Electric Co
•
Filing: 1959-12-08
•
Granted: 1961-12-12
•
Expires: 1979-12-08
Abstract
No abstract record available.
Inventors
- 👤 Warren N Kemnitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:00
CPC Classifications
A; A47; A47L; A47L5/00; A47L5/12; A47L5/22; A47L5/28; A47L5/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB116429A
Cited
US1462574A
Cited
US1448397A
Cited
US1541325A
Cited
US1579809A
Cited
US2541117A
Cited
US2614283A
Cited
US2672643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |