US2662519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diamond dressing tool
Assignee: Super Cut Inc
•
Filing: 1951-03-14
•
Granted: 1953-12-15
•
Expires: 1971-03-14
Abstract
No abstract record available.
Inventors
- 👤 Leopold H Metzger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:54
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE21165E
Cited
US1941283A
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US1848182A
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US2141202A
Cited
US2254392A
Cited
US2404184A
Cited
US2435916A
Cited
US2545676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |