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Patent US3013288A successfully refreshed from Google Patents.
US3013288A
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Apparatus for treating floors
Assignee: Individual
•
Filing: 1958-06-24
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Granted: 1961-12-19
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Expires: 1978-06-24
Abstract
No abstract record available.
Inventors
- 👤 Robert I Lappin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:03
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4002; A47L11/4008; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/161; A47L11/4036; A47L11/4038; A47L11/4044; A47L11/4075; A47L11/408; A47L11/4083; A47L11/4088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB180621A
Cited
US1860168A
Cited
US1877951A
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US1969674A
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US2073170A
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US2318960A
Cited
US2540510A
Cited
US2747209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |