US3060484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor scrubber
Assignee: Hoover Co
•
Filing: 1958-09-11
•
Granted: 1962-10-30
•
Expires: 1978-09-11
Abstract
No abstract record available.
Inventors
- 👤 Don C Krammes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:53
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4083; A47L11/29; A47L11/30; A47L11/4013; A47L11/4016; A47L11/4025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1390176A
Cited
US1687283A
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US1849663A
Cited
US1910727A
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US1892347A
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US1979797A
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US2394415A
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US2554570A
Cited
US2798639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |