US2817194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diamond polishing adjusting device and dop
Assignee: Individual
•
Filing: 1954-06-28
•
Granted: 1957-12-24
•
Expires: 1974-06-28
Abstract
No abstract record available.
Inventors
- 👤 Marcel J Leiman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:22
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2311251A
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US2308739A
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US2530421A
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US2383619A
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US2388751A
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US2476702A
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US2484574A
Cited
GB655042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-23 | 1961-06-24 | 1961-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-23 | 1965-06-24 | 1965-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-23 | 1969-06-24 | 1969-12-24 | $7700.00 | Window Closed / Lapsed |