Patent US2531149A successfully refreshed from Google Patents.
US2531149A
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US
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Floor tile cutting apparatus
Assignee: Individual
•
Filing: 1949-04-01
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Granted: 1950-11-21
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Expires: 1969-04-01
Abstract
No abstract record available.
Inventors
- 👤 Howard T Melchor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:18
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/22; B28D1/225; B26; B26D; B26D1/00; B26D1/01; B26D1/04; B26D1/045; B26D7/00; B26D7/01; B26D7/015; E; E04; E04F; E04F21/00; E04F21/0076; E04F21/20; E04F21/22; Y; Y10; Y10T; Y10T83/00; Y10T83/748; Y10T83/7487; Y10T83/7493; Y10T83/7507; Y10T83/7587; Y10T83/869; Y10T83/8821; Y10T83/8822
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) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |