Patent US3570129A successfully refreshed from Google Patents.
US3570129A
Expired / Lapsed
US
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Engraving machine
Assignee: GRANLIP CORP
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Filing: 1968-03-06
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Granted: 1971-03-16
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Expires: 1988-03-06
Abstract
Abstract AN ENGRAVING MACHINE WITH AN ENGRAVING TOOL HAVING A FIRST MEMBER RECIPROCALLY MOVABLE IN A PLANE TRANSVERSE TO THE AXIS OF THE ENGRAVING TOOL AND A SECOND MEMBER MOUNTED ON SAID FIRST MEMBER AND RECIPROCALLY MOVABLE IN THAT PLANE AT RIGHT ANGLES TO THE MOVEMENT OF THE FIRST MEMBER. THE SECOND MEMBER INCLUDES JAWS ON WHICH ARE MOUNTED THE ARTICLES TO BE ENGRAVED, WHICH JAWS ARE NORMALLY BIASED CLOSED AND ARE OPENED AND CLOSED SIMULTANEOUSLY BY CAM ACTION.
Inventors
- 👤 Joseph T Del Vecchio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:38
CPC Classifications
B; B44; B44B; B44B3/00; B44B3/001; B44B3/002; B44B3/06; B44B3/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-15 | 1974-09-14 | 1975-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-15 | 1978-09-14 | 1979-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-15 | 1982-09-14 | 1983-03-16 | $7700.00 | Window Closed / Lapsed |