US2972363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centerless disc saw with depth of cut greater than the radius
Assignee: Individual
•
Filing: 1958-03-26
•
Granted: 1961-02-21
•
Expires: 1978-03-26
Abstract
No abstract record available.
Inventors
- 👤 Ruggero Santilli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:29
CPC Classifications
B; B27; B27B; B27B9/00; B27B27/00; B27B27/04; B27B5/00; B27B5/14; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7793; Y10T83/869; Y10T83/8878; Y10T83/8881; Y10T83/8883
Claims Analysis
Total Claims: 0
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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) | 1964-02-21 | 1964-08-22 | 1965-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-21 | 1968-08-22 | 1969-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-21 | 1972-08-22 | 1973-02-21 | $7700.00 | Window Closed / Lapsed |