US2986755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor sweepers
Assignee: Bissell Homecare Inc
•
Filing: 1959-01-19
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Granted: 1961-06-06
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Expires: 1979-01-19
Abstract
No abstract record available.
Inventors
- 👤 Bernard E Sobie
- 👤 Robert A Yonkers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:12
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4075; A47L11/32; A47L11/33; A47L11/4013; A47L11/4036; A47L11/4041; A47L11/4044; A47L11/4052; A47L11/4063; A47L11/4069; A47L11/4072
Claims Analysis
Total Claims: 0
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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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |