Patent US2725753A successfully refreshed from Google Patents.
Patent US2926370A successfully refreshed from Google Patents.
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 23:06
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE634215C
Cited
US1224292A
Cited
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 |