US3355841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill grinding apparatus
Assignee: Individual
•
Filing: 1965-01-14
•
Granted: 1967-12-05
•
Expires: 1985-01-14
Abstract
No abstract record available.
Inventors
- 👤 Niquet Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:27
CPC Classifications
B; B24; B24B; B24B3/00; B24B3/24; B24B3/245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
MULTIPLE DRILL GRINDING APPARATUS COMPRISING ROTATABLE ABRASIVE MEANS HAVING A GRINDING SURFACE PRESENTING A SUBSTANTIALLY STRAIGHT TRANSVERSE OPERATIVE PORTION, AND DRILL HOLDING MEANS ASSOCIATED WITH SAID ABRASIVE MEANS, SAID HOLDING MEANS COMPRISING SPACED PIVOT MEANS DISPOSED AT THE LEVEL OF SAID OPERATIVE PORTION OF SAID GRINDING SURFACE AND ON EACH SIDE THEREOF, THE LINE CONNECTING SAID SPACED PIVOT MEANS BEING SUBSTANTIALLY PARALLEL TO SAID OPERATIVE PORTION, A RAIL MEMBER EXTENDING BETWEEN SAID PIVOT MEANS, BLOCKS SECURED TO SAID PIVOT MEANS, BOLTS FREELY PASSING THROUGH SAID BLOCKS AND RIGIDLY CONNECTED TO SAID RAIL MEMBER, NUT MEANS SCREWED ON SAID BOLTS AND ABUTTING SAID BLOCKS, SAID BLOCKS AND BOLTS ALLOWING SWINGING MOVEMENT OF SAID RAIL MEMBER WITH RESPECT TO SAID PIVOT MEANS IN ACCORDANCE WITH AN ARC OF A CIRCLE OF ADJUSTABLE RADIUS, MULTIPLE DRILL SUPPORT MEANS CARRIED BY SAID RAIL MEMBER TO HOLD A PLURALITY OF DRILLS SIDE BY SIDE AND IN CONTIGUOUS RELATIONSHIP WITH AND LONGITUDINAL AXES OF SAID DRILLS INCLINED TO SAID OPERATIVE PORTION OF SAIDD GRINDING SURFACE AT AN ANGLE EQUAL TO THE
Claim 2
Dependent Claim
175 words
MULTIPLE DRILL GRINDING APPARATUS COMPRISING ROTATABLE ABRASIVE MEANS HAVING A GRINDING SURFACE PRESENTING A SUBSTANTIALLY STRAIGHT TRANSVERSE OPERATIVE PORTION, AND DRILL HOLDING MEANS ASSOCIATED WITH SAID ABRASIVE MEANS, SAID HOLDING MEANS COMPRISING SPACED PIVOT MEANS DISPOSED AT THE LEVEL OF SAID OPERATIVE PORTION OF SAID GRINDING SURFACE AND ON EACH SIDE THEREOF, THE LINE CONNECTING SAID SPACED PIVOT MEANS BEING SUBSTANTIALLY PARALLEL TO SAID OPERATIVE PORTION, A RAIL MEMBER EXTENDING BETWEEN SAID PIVOT MEANS, BLOCKS SECURED TO SAID PIVOT MEANS, BOLTS FREELY PASSING THROUGH SAID BLOCKS AND RIGIDLY CONNECTED TO SAID RAIL MEMBER, NUT MEANS SCREWED ON SAID BOLTS AND ABUTTING SAID BLOCKS, SAID BLOCKS AND BOLTS ALLOWING SWINGING MOVEMENT OF SAID RAIL MEMBER WITH RESPECT TO SAID PIVOT MEANS IN ACCORDANCE WITH AN ARC OF A CIRCLE OF ADJUSTABLE RADIUS, MULTIPLE DRILL SUPPORT MEANS CARRIED BY SAID RAIL MEMBER TO HOLD A PLURALITY OF DRILLS SIDE BY SIDE AND IN CONTIGUOUS RELATIONSHIP WITH AND LONGITUDINAL AXES OF SAID DRILLS INCLINED TO SAID OPERATIVE PORTION OF SAIDD GRINDING SURFACE AT AN ANGLE EQUAL TO THE
References Cited (Backward Citations)
US2314312A
Cited
US3100956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |