Patent US3348512A successfully refreshed from Google Patents.
US3348512A
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US
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Method of producing conical vessels
Assignee: Platmanufaktur AB
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Filing: 1964-12-07
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Granted: 1967-10-24
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Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Ericsson Sven
- 👤 Lenander Allan Ove Egard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:07
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/16; B21C37/18; B21C37/185; B21D; B21D51/00; B21D51/02; B21D51/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A METHOD OF PRODUCING CONICAL VESSEL USING TWO BODY PLATES A BOTTOM PLATE, CHARACTERIZED IN THAT ONLY TWO BODY PLATES ARE USED, EACH HAVING THE FORM OF A TRAPEZOID, OF WHICH THE TWO NON-PARALLEL SIDES ARE OF EQUAL LENGTH, IN THAT THE TWO PLATES ARE BENT IN SUCH A WAY AND PLACED IN SUCH A WAY THAT A CONICAL BODY IS FORMED, IN THAT ADJACENT PLATES ARE MADE TO OVERLAP EACH OTHER IN SUCH A WAY THAT THE OVERLAPPING IS OF THE SAME SIZE AT BOTH ENDS OF THE BODY, IN THAT THE TWO OVERLAPPING END SECTIONS ARE FIRMLY SECURED TO EACH OTHER, AND IN THAT THE BOTTOM PLATES IS THEREAFTER SECURED ON THE BODY.
Claim 2
Independent Claim
115 words
A METHOD OF PRODUCING CONICAL VESSEL USING TWO BODY PLATES A BOTTOM PLATE, CHARACTERIZED IN THAT ONLY TWO BODY PLATES ARE USED, EACH HAVING THE FORM OF A TRAPEZOID, OF WHICH THE TWO NON-PARALLEL SIDES ARE OF EQUAL LENGTH, IN THAT THE TWO PLATES ARE BENT IN SUCH A WAY AND PLACED IN SUCH A WAY THAT A CONICAL BODY IS FORMED, IN THAT ADJACENT PLATES ARE MADE TO OVERLAP EACH OTHER IN SUCH A WAY THAT THE OVERLAPPING IS OF THE SAME SIZE AT BOTH ENDS OF THE BODY, IN THAT THE TWO OVERLAPPING END SECTIONS ARE FIRMLY SECURED TO EACH OTHER, AND IN THAT THE BOTTOM PLATES IS THEREAFTER SECURED ON THE BODY.
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) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |