US3125836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gem cutters dop
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:40
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/16; B24B9/161
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
148 words
A GEM CUTTERS'' HAND DOP ASSEMBLY COMPRISING: (A) A SLENDER ELONGATED HANDLE, SAID HANDLE SIZED TO BE GRASPED AND FACILELY MANIPULATED BY THE FINGERS OF A SINGLE HUMAN HAND; (B) SAID HANDLE HAVING A BORE EXTENDING LONGITUDINALLY FROM ONE END; (C) A DOP STICK HAVING A GEM MOUNTING PAD PORTION AND A STEM PORTION PROJECTING AXIALLY FROM THE PAD PORTION; AND, (D) SAID STEM PORTION BEING ROTATABLY JOURNALED IN SAID HANDLE BORE WITH SAID PAD PORTION OUTSIDE SAID HANDLE, SAID PAD PORTION BEING ADAPTED TO SUPPORT A GEM ON THE SIDE OPPOSITE STEM PORTION, SAID PAD PORTION BEING DISPOSED AXIALLY SPACED FROM SAID HANDLE AND BEING FREE AND CLEAR OF ALL DOP ASSEMBLY STRUCTURE SO THAT A GEM SECURED TO SAID PAD PORTION MAY BE PLACED AGAINST AN ABRASIVE SURFACE WHEREBY THAT A GEM SECURED TO SAID PAD PORTION SPINS FREELY WHEN PLACED AGAINST A MOVING ABRASIVE SURFACE.
References Cited (Backward Citations)
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Cited
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Cited
US1520948A
Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |