US2582506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buffing wheel
Assignee: SAX
•
Filing: 1949-06-28
•
Granted: 1952-01-15
•
Expires: 1969-06-28
Abstract
No abstract record available.
Inventors
- 👤 Leonard B Sax
- 👤 Thomas H Kingsbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:43
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/18; B24D13/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1106833A
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US1404620A
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US1922108A
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US2102867A
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US2099777A
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GB518250A
Cited
US2291524A
Cited
US2455098A
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 |