Patent US3408673A successfully refreshed from Google Patents.
US3408673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor scrubbing machine
Assignee: AGRESSIVE FLOOR MACHINE CORP
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Filing: 1965-06-16
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Granted: 1968-11-05
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Expires: 1985-06-16
Abstract
No abstract record available.
Inventors
- 👤 Berton R Oxel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:43
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4063; A47L11/4069; A47L11/29; A47L11/30; A47L11/4013; A47L11/4016; A47L11/4022; A47L11/4036; A47L11/4041; A47L11/4044; A47L11/408; A47L11/4088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1801135A
Cited
US1975380A
Cited
US2044640A
Cited
US2857606A
Cited
AT215887B
Cited
US3118165A
Cited
US3206787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |