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US902246A
Expired / Lapsed
US
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Floor surfacing and polishing machine.
Assignee: FLOOR SCRAPING MACHINE Co
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Filing: 1907-03-22
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Granted: 1908-10-27
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Expires: 1927-03-22
Abstract
No abstract record available.
Inventors
- 👤 Edwin F Murdock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:49
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/10; B24B7/18; B24B7/188
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1911-10-27 | 1912-04-27 | 1912-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-10-27 | 1916-04-27 | 1916-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-10-27 | 1920-04-27 | 1920-10-27 | $7700.00 | Window Closed / Lapsed |