US2774586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor scraping machine having floating scraper
Assignee: AMERICAN FLOOR SURFACING MACH
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Filing: 1954-06-14
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Granted: 1956-12-18
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Expires: 1974-06-14
Abstract
No abstract record available.
Inventors
- 👤 Anthony F Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:36
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/02; A47L11/10; A47L11/12; A47L11/4052; A47L11/4058; A47L11/4063; A47L11/4069; E; E04; E04G; E04G23/00; E04G23/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |