US2950495A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polishing and deburring wheel
Assignee: Osborn Manufacturing Corp
•
Filing: 1955-02-28
•
Granted: 1960-08-30
•
Expires: 1975-02-28
Abstract
No abstract record available.
Inventors
- 👤 Norman H Stingley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:02
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/164; B; B24; B24D; B24D11/00; B24D11/001; B24D11/003; B24D13/00; B24D13/02; B24D13/10; Y; Y10; Y10S; Y10S15/00; Y10S15/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US367591A
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US587048A
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US2172433A
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US2232389A
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US2303759A
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US2406732A
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US2443430A
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US2621369A
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US2648084A
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US2826776A
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US2739332A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |