Patent US3028853A successfully refreshed from Google Patents.
US3028853A
Expired / Lapsed
US
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Grinding wheel dressing fixture for surface grinders
Assignee: Individual
•
Filing: 1958-10-06
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Granted: 1962-04-10
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Expires: 1978-10-06
Abstract
No abstract record available.
Inventors
- 👤 Miller Edna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:41
CPC Classifications
B; B24; B24B; B24B55/00; B24B55/04; B24B53/00; B24B53/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1994386A
Cited
GB492549A
Cited
US2197762A
Cited
US2425095A
Cited
US2797678A
Cited
US2849840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |