US3089230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for separating individual metallic layers of a hollow multilayered object
Assignee: EIDP Inc
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Filing: 1960-02-04
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Granted: 1963-05-14
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Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Donald D Chapman
- 👤 James P Swed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:29
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/02; B23P19/025; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49751; Y10T29/49755; Y10T29/49805; Y10T29/49806; Y10T29/49815; Y10T29/49821; Y10T29/49822
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR SEPARATING INDIVIDUAL METALLIC LAYERS OF A HOLLOW MULTILAYERED OBJECT WHEREIN THE SURFACE OF ONE METAL IS PROTECTED BY AT LEAST ONE MECHANICALLY BONDED LAYER OF A DIFFERENT METAL WHICH COMPRISES POSITIONING SAID MULTILAYERED OBJECT ON A SUPPORTING MEANS, THE INTERIOR OF SAID OBJECT BEING OPEN TO THE ATMOSPHERE, ATTACHING A LENGTH OF A DETONATING EXPLOSIVE COMPOSITION TO THE OUTER SURFACE OF SAID OBJECT OPPOSITE THE SUPPORT MEANS, SAID CHARGE OF EXPLOSIVE BEING SUFFICIENT TO PROVIDE A REFLECTED SHOCK WAVE AT THE INTERFACE BETWEEN THE LAYERS ADEQUATE
Claim 2
Dependent Claim
89 words
A PROCESS FOR SEPARATING INDIVIDUAL METALLIC LAYERS OF A HOLLOW MULTILAYERED OBJECT WHEREIN THE SURFACE OF ONE METAL IS PROTECTED BY AT LEAST ONE MECHANICALLY BONDED LAYER OF A DIFFERENT METAL WHICH COMPRISES POSITIONING SAID MULTILAYERED OBJECT ON A SUPPORTING MEANS, THE INTERIOR OF SAID OBJECT BEING OPEN TO THE ATMOSPHERE, ATTACHING A LENGTH OF A DETONATING EXPLOSIVE COMPOSITION TO THE OUTER SURFACE OF SAID OBJECT OPPOSITE THE SUPPORT MEANS, SAID CHARGE OF EXPLOSIVE BEING SUFFICIENT TO PROVIDE A REFLECTED SHOCK WAVE AT THE INTERFACE BETWEEN THE LAYERS ADEQUATE
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |