US3138875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diamond scriber
Assignee: TEMPRESS RES CO Inc
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Filing: 1961-09-11
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Granted: 1964-06-30
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Expires: 1981-09-11
Abstract
No abstract record available.
Inventors
- 👤 Frank L Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:38
CPC Classifications
B; B23; B23P; B23P5/00; B24; B24B; B24B53/00; B24B53/12; B25; B25H; B25H7/00; B25H7/04; B25H7/045; C; C03; C03B; C03B33/00; C03B33/10; C03B33/105; C03B33/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A SCRIBER: A SHANK; A DIAMOND OF POLYHEDRON SHAPE SECURED TO SAID SHANK AND HAVING EDGE PORTIONS REMOVED TO PROVIDE FLAT FACES MEETING EACH OTHER AT A FORWARD PYRAMID PORTION, THE SIDE OF THE FORWARD PYRAMID PORTION INTERSECTING EACH OTHER AT LINES LYING AT A SUBSTANTIAL ANGLE TO THE NATURAL MEETING EDGES OF THE DIAMOND FACES, SAID PYRAMID PORTION HAVING A TRUNCATED FORWARD FACE FORMING A PLURALITY OF SPACED SCRIBING POINTS WITH THE LINES OF INTERSECTION OF THE SIDES OF SAID PYRAMID PORTION.
Claim 2
Dependent Claim
84 words
IN A SCRIBER: A SHANK; A DIAMOND OF POLYHEDRON SHAPE SECURED TO SAID SHANK AND HAVING EDGE PORTIONS REMOVED TO PROVIDE FLAT FACES MEETING EACH OTHER AT A FORWARD PYRAMID PORTION, THE SIDE OF THE FORWARD PYRAMID PORTION INTERSECTING EACH OTHER AT LINES LYING AT A SUBSTANTIAL ANGLE TO THE NATURAL MEETING EDGES OF THE DIAMOND FACES, SAID PYRAMID PORTION HAVING A TRUNCATED FORWARD FACE FORMING A PLURALITY OF SPACED SCRIBING POINTS WITH THE LINES OF INTERSECTION OF THE SIDES OF SAID PYRAMID PORTION.
References Cited (Backward Citations)
US2367857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |