US3551926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the cold-stamping of screws, rivets and the like
Assignee: Individual
•
Filing: 1967-09-07
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Granted: 1971-01-05
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Expires: 1987-09-07
Abstract
Abstract A STAMPING APPARATUS IN WHICH A ROD IS FED THROUGH A RECIPROCALLY MOVABLE PERCUSSION HEAD INTO A DIE-CLAMP IN A ROTARY BODY AFTER WHICH THE ROD IS CUT BY A CUTTING DEVICE TO LEAVE A WORKPIECE IN THE DIE-CLAMP WHICH IS SUCCESSIVELY ACTED ON BY THE HEAD TO FORM THE DESIRED PRODUCT WHICH IS THEN DISCHARGED FROM THE ROTARY BODY AND REPLACED WITH A SUBSEQUENT WORKPIECE.
Inventors
- 👤 Amadeo Ferre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:12
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/44; B21K1/46; B21K1/466; B21K27/00; B21K27/06
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |