US2582231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive tool and method of making same
Assignee: Wheel Trueing Tool Co
•
Filing: 1949-02-05
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Granted: 1952-01-15
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Expires: 1969-02-05
Abstract
No abstract record available.
Inventors
- 👤 Catallo Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:52
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/02; B24D3/04; B24D3/06; B24D3/08; B24D18/00; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/932; Y10T; Y10T407/00; Y10T407/27; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2228871A
Cited
US2210039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |