US2926370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning appliance for use in polishing, scrubbing or waxing floors and like structures
Assignee: Individual
•
Filing: 1954-10-22
•
Granted: 1960-03-01
•
Expires: 1974-10-22
Abstract
No abstract record available.
Inventors
- 👤 Wessel Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:58
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/02; A47L11/10; A47L11/12; A47L11/4044; A47L11/4063; A47L11/4069; A47L11/4094
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE634215C
Cited
US1224292A
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US1821715A
Cited
US1839824A
Cited
GB359701A
Cited
GB398852A
Cited
US2220224A
Cited
US2247993A
Cited
US2332936A
Cited
CH251307A
Cited
CH247661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |