US2854286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
A method of manufacture of buffing disks and bonnets
Assignee: Individual
•
Filing: 1954-04-12
•
Granted: 1958-09-30
•
Expires: 1974-04-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Salick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:44
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/14; B24D13/145; A; A46; A46B; A46B3/00; A46B3/16; A47; A47L; A47L11/00; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/164; A47L11/18; A47L11/19; A47L11/40; A47L11/4036; A47L11/4038; A47L13/00; A47L13/10; A47L13/16; B24D11/00; B24D11/001; B24D11/003; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE291766C
Cited
US2101905A
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US1854193A
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US2332936A
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US2366877A
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US2344537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |