Patent US3299453A successfully refreshed from Google Patents.
US3299453A
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US
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Upsetting machine with controllable ejector means for the manufacture of screws, bolts, bolt blanks and the like
Assignee: Nedschroef Octrooi Maatschappij NV
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Filing: 1964-12-09
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Granted: 1967-01-24
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Expires: 1984-12-09
Abstract
No abstract record available.
Inventors
- 👤 Meerendonk Gerardus Corneli De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:01
CPC Classifications
B; B21; B21D; B21D45/00; B21J; B21J13/00; B21J13/08; B21J13/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A MACHINE FOR UPSETTING WORKPIECES FOR THE PRODUCTION OF BOLTS AND THE LIKE, INCLUDING A FRAME, A RECIPROCABLE CARRIAGE MOUNTED FOR RECIPROCATION IN THE FRAME CARRYING A WORKPIECE-UPSETTING MEANS HAVING A FORMING CAVITY FOR RECEIVING A PORTION OF THE WORKPIECE AND MOVABLE TOWARD AND AWAY FROM A MATRIX MOUNTED IN THE FRAME, A RECIPROCABLE WORKPIECE-EJECTING MEMBER MOUNTED IN THE UPSETTING MEANS FOR EJECTING THE WORKPIECE FROM SAID CAVITY AFTER IT HAS BEEN UPSET IN THE CAVITY OF THE UPSETTING MEANS, MECHANISM FOR ACTUATING THE EJECTING MEMBER TO EJECT THE WORKPIECE INCLUDING A CONTROL GUIDEWAY ATTACHED TO THE FRAME, AND AN ACTUATING MEANS MOVABLE ALONG AND IN ENGAGEMENT WITH SAID CONTROL GUIDEWAY AND ACTING ON SAID EJECTING MEMBER, WHEREIN THE IM-
Claim 2
Dependent Claim
121 words
IN A MACHINE FOR UPSETTING WORKPIECES FOR THE PRODUCTION OF BOLTS AND THE LIKE, INCLUDING A FRAME, A RECIPROCABLE CARRIAGE MOUNTED FOR RECIPROCATION IN THE FRAME CARRYING A WORKPIECE-UPSETTING MEANS HAVING A FORMING CAVITY FOR RECEIVING A PORTION OF THE WORKPIECE AND MOVABLE TOWARD AND AWAY FROM A MATRIX MOUNTED IN THE FRAME, A RECIPROCABLE WORKPIECE-EJECTING MEMBER MOUNTED IN THE UPSETTING MEANS FOR EJECTING THE WORKPIECE FROM SAID CAVITY AFTER IT HAS BEEN UPSET IN THE CAVITY OF THE UPSETTING MEANS, MECHANISM FOR ACTUATING THE EJECTING MEMBER TO EJECT THE WORKPIECE INCLUDING A CONTROL GUIDEWAY ATTACHED TO THE FRAME, AND AN ACTUATING MEANS MOVABLE ALONG AND IN ENGAGEMENT WITH SAID CONTROL GUIDEWAY AND ACTING ON SAID EJECTING MEMBER, WHEREIN THE IM-
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |