US3013449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrading disk
Assignee: Individual
•
Filing: 1955-09-23
•
Granted: 1961-12-19
•
Expires: 1975-09-23
Abstract
No abstract record available.
Inventors
- 👤 Alton E Tobey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:24
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/164; A47L11/4063; A47L11/4069; B; B23; B23D; B23D71/00; Y; Y10; Y10T; Y10T407/00; Y10T407/18; Y10T407/1815
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |