US2659357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for dressing helical grinding wheels
Assignee: Vinco Corp
•
Filing: 1949-10-21
•
Granted: 1953-11-17
•
Expires: 1969-10-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Osplack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:21
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/06; B24B53/08; B24B53/083; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5109; Y10T29/5113; Y10T409/00; Y10T409/30; Y10T409/300056; Y10T409/300112; Y10T409/300504
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) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |