US3403539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the deformation of metal sheets
Assignee: Atlas Mak Maschinenbau GmbH
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Filing: 1966-10-19
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Granted: 1968-10-01
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Expires: 1986-10-19
Abstract
No abstract record available.
Inventors
- 👤 Nemitz Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:16
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
AN APPARATUS FOR THE DEFORMATION OF METAL SHEETS UNDER SHOCK EFFECT IN WATER, COMPRISING (A) A MOLD, (B) A VERTICALLY ADJUSTABLE BASE PLATE ON WHICH SAID MOLD RESTS, (C) AN OPEN TOP CONTAINER HAVING AN INWARDLY PROJECTING FLANGE ON THE UPPER EDGE PORTION THEREOF AND ACCOMMODATING SAID VERTICALLY ADJUSTABLE BASE PLATE, (D) AN ANNULAR HOLDING DOWN APPLIANCE FOR HOLDING A SHEET METAL DISK IN PLACE ON SAID MOLD, AND (E) A PLURALITY OF PIVOTABLE CLAMPING PAWLS CARRIED ON THE INNER EDGE OF SAID ANNULAR HOLDING DOWN APPLIANCE SO AS TO DISTRIBUTED RADIALLY OVER THE
Claim 2
Independent Claim
94 words
AN APPARATUS FOR THE DEFORMATION OF METAL SHEETS UNDER SHOCK EFFECT IN WATER, COMPRISING (A) A MOLD, (B) A VERTICALLY ADJUSTABLE BASE PLATE ON WHICH SAID MOLD RESTS, (C) AN OPEN TOP CONTAINER HAVING AN INWARDLY PROJECTING FLANGE ON THE UPPER EDGE PORTION THEREOF AND ACCOMMODATING SAID VERTICALLY ADJUSTABLE BASE PLATE, (D) AN ANNULAR HOLDING DOWN APPLIANCE FOR HOLDING A SHEET METAL DISK IN PLACE ON SAID MOLD, AND (E) A PLURALITY OF PIVOTABLE CLAMPING PAWLS CARRIED ON THE INNER EDGE OF SAID ANNULAR HOLDING DOWN APPLIANCE SO AS TO DISTRIBUTED RADIALLY OVER THE
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) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |