US3078835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for dressing grinding wheels
Assignee: Unifrax I LLC
•
Filing: 1960-05-27
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Granted: 1963-02-26
•
Expires: 1980-05-27
Abstract
No abstract record available.
Inventors
- 👤 Philip R Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:19
CPC Classifications
B; B24; B24B; B24B53/00; B24B53/04; B24B53/053; B24B53/12; B24B53/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
IN A METHOD OF DRESSING CENTERLESS GRINDERS HAVING A GRINDING WHEEL, A REGULATING WHEEL, AND A WORK REST, THE STEP OF PASSING A CYLINDRICAL DIAMOND DRESSING PIN BETWEEN AND IN CONTACT WITH THE WHEELS IN A PATH SUBSTANTIALLY PARALLEL WITH THE AXIS OF ROTATION OF SAID GRINDING WHEEL WHILE SAID WHEELS ARE ROTATING AND WHILE SAID DRESSING PIN IS SUPPORTED ON SAID WORK REST.
Claim 2
Dependent Claim
64 words
IN A METHOD OF DRESSING CENTERLESS GRINDERS HAVING A GRINDING WHEEL, A REGULATING WHEEL, AND A WORK REST, THE STEP OF PASSING A CYLINDRICAL DIAMOND DRESSING PIN BETWEEN AND IN CONTACT WITH THE WHEELS IN A PATH SUBSTANTIALLY PARALLEL WITH THE AXIS OF ROTATION OF SAID GRINDING WHEEL WHILE SAID WHEELS ARE ROTATING AND WHILE SAID DRESSING PIN IS SUPPORTED ON SAID WORK REST.
References Cited (Backward Citations)
US1099984A
Cited
US2413167A
Cited
GB604950A
Cited
US2704705A
Cited
US2730848A
Cited
US2896377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |