US3157969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compensator
Assignee: GALLMEYER AND LIVINGSTON CO
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Filing: 1962-12-04
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Granted: 1964-11-24
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Expires: 1982-12-04
Abstract
No abstract record available.
Inventors
- 👤 William J Fant
- 👤 Adrain Van Wyk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:07
CPC Classifications
B; B24; B24B; B24B49/00; B24B49/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN A GRINDER, A WORKPIECE SUPPORT BED, AND SUPPORT MEANS FOR A GRINDING WHEEL AND WHEEL DRESSER ADJUSTABLE WITH RESPECT TO SAID BED; GRINDING FEED MEANS TO FEED SAID WHEEL AND DRESSER TOWARD SAID BED TO GRIND A WORKPIECE; MEANS INCLUDING A STEPPING MOTOR TO FEED SAID DRESSER TOWARDS SAID WHEEL CONTROLLED INCREMENTS; A SECOND STEPPING MOTOR OPERABLY CONNECTED WITH SAID SUPPORT MEANS AND INDEPENDENT OF SAID GRINDING FEED MEANS TO ADVANCE SAID GRINDING WHEEL AND DRESSER INDEPENDENTLY OF SAID GRINDING FEED MEANS; AND ELECTRICAL SWITCH MEANS OPERABLY CONNECTED WITH BOTH OF SAID STEPPING MOTORS TO SIMULTANEOUSLY ACTUATE BOTH SAID STEPPING MOTORS; SAID STEPPING MOTORS AND FEED MEANS BEING ARRANGED TO CAUSE EQUAL FEEDS THEREOF AND THEREBY ENABLE COMPENSATION OF SAID WHEEL WITH DRESSING THEREOF, FOR WHEEL LOSS AND WEAR.
Claim 2
Dependent Claim
130 words
IN A GRINDER, A WORKPIECE SUPPORT BED, AND SUPPORT MEANS FOR A GRINDING WHEEL AND WHEEL DRESSER ADJUSTABLE WITH RESPECT TO SAID BED; GRINDING FEED MEANS TO FEED SAID WHEEL AND DRESSER TOWARD SAID BED TO GRIND A WORKPIECE; MEANS INCLUDING A STEPPING MOTOR TO FEED SAID DRESSER TOWARDS SAID WHEEL CONTROLLED INCREMENTS; A SECOND STEPPING MOTOR OPERABLY CONNECTED WITH SAID SUPPORT MEANS AND INDEPENDENT OF SAID GRINDING FEED MEANS TO ADVANCE SAID GRINDING WHEEL AND DRESSER INDEPENDENTLY OF SAID GRINDING FEED MEANS; AND ELECTRICAL SWITCH MEANS OPERABLY CONNECTED WITH BOTH OF SAID STEPPING MOTORS TO SIMULTANEOUSLY ACTUATE BOTH SAID STEPPING MOTORS; SAID STEPPING MOTORS AND FEED MEANS BEING ARRANGED TO CAUSE EQUAL FEEDS THEREOF AND THEREBY ENABLE COMPENSATION OF SAID WHEEL WITH DRESSING THEREOF, FOR WHEEL LOSS AND WEAR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |