US3026655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Face grinding wheel
Assignee: Bisterfeld and Stolting
•
Filing: 1958-06-02
•
Granted: 1962-03-27
•
Expires: 1978-06-02
Abstract
No abstract record available.
Inventors
- 👤 Osenberg Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:53
CPC Classifications
B; B24; B24D; B24D7/00; B24D7/06; B24D7/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US481341A
Cited
GB190604299A
Cited
US1180260A
Cited
US1425786A
Cited
AT120799B
Cited
US2643494A
Cited
US2826015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |