Patent US3154038A successfully refreshed from Google Patents.
US3154038A
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US
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Method of embossing sheet metal
Assignee: Olin Corp
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Filing: 1963-02-05
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Granted: 1964-10-27
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Expires: 1983-02-05
Abstract
No abstract record available.
Inventors
- 👤 Norval A Keith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:10
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/021; B21D26/029; B21D15/00; B21D15/04; B21D15/10; B21D26/031; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/4981
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD OF EMBOSSING SHEET METAL COMPRISING THE STEPS OF PLACING A SUBSTANTIALLY FLAT METAL SHEET ADJACENT A TEMPLATE HAVING CUT-OUT PORTIONS THEREOF DISPOSED ADJACENT SAID METAL SHEET, WITH SAID CUT-OUT PORTIONS HAVING A CONFIGURATION DESIRED TO BE IMPARTED TO SAID METAL SHEET; FORMING ADJACENT SAID FLAT METAL SHEET, ON THE SIDE OPPOSITE SAID TEMPLATE, A CHAMBER SEALED TO THE ATMOSPHERE AND ADAPTED TO RECEIVE A FLUID UNDER PRESSURE; AND INJECTING SAID FLUID INTO SAID CHAMBER AT A PRESSURE SUFFICIENT TO FORCE PORTIONS OF SAID METAL SHEET AGAINST SAID CUT-OUT PORTIONS, THEREBY FORMING EMBOSSMENTS IN SAID METAL SHEET CORRESPONDING TO SAID CUT-OUT PORTIONS.
Claim 2
Independent Claim
103 words
A METHOD OF EMBOSSING SHEET METAL COMPRISING THE STEPS OF PLACING A SUBSTANTIALLY FLAT METAL SHEET ADJACENT A TEMPLATE HAVING CUT-OUT PORTIONS THEREOF DISPOSED ADJACENT SAID METAL SHEET, WITH SAID CUT-OUT PORTIONS HAVING A CONFIGURATION DESIRED TO BE IMPARTED TO SAID METAL SHEET; FORMING ADJACENT SAID FLAT METAL SHEET, ON THE SIDE OPPOSITE SAID TEMPLATE, A CHAMBER SEALED TO THE ATMOSPHERE AND ADAPTED TO RECEIVE A FLUID UNDER PRESSURE; AND INJECTING SAID FLUID INTO SAID CHAMBER AT A PRESSURE SUFFICIENT TO FORCE PORTIONS OF SAID METAL SHEET AGAINST SAID CUT-OUT PORTIONS, THEREBY FORMING EMBOSSMENTS IN SAID METAL SHEET CORRESPONDING TO SAID CUT-OUT PORTIONS.
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) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |