Patent US2986831A successfully refreshed from Google Patents.
US2986831A
Expired / Lapsed
US
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Process for lifting skin imprints
Assignee: Atlantic Research Corp
•
Filing: 1958-09-10
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Granted: 1961-06-06
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Expires: 1978-09-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Terek
- 👤 William D Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:10
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/02; A; A61; A61Q; A61Q19/00; A61Q1/00; A61Q1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR LIFTING A LATENT SKIN IMPRINT FROM A NON-SKIN SURFACE WHICH COMPRISES DEVELOPING SAID IMPRINT BY DUSTING WITH A FINELY DIVIDED POWDER, COATING THE SURFACE CARRYING THE DUSTED IMPRINT WITH A LIQUID COMPOSITION CONSISTING ESSENTIALLY OF A POLYMER SETTABLE INTO A SOLID FLEXIBLE, SUBSTANTIALLY NON-TACKY, STRIPPABLE FILM, SAID DUSTING POWDER BEING INSOLUBLE IN SAID LIQUID COMPOSITION, SETTING THE COATING INTO A SOLID FILM, AND SEPARATING THE FILM FROM SAID SURFACE, SAID STRIPPED FILM CARRYING EMBEDDED THEREIN THE FINELY DIVIDED POWDER IN THE PATTERN OF SAID SKIN IMPRINT.
Claim 2
Dependent Claim
89 words
A PROCESS FOR LIFTING A LATENT SKIN IMPRINT FROM A NON-SKIN SURFACE WHICH COMPRISES DEVELOPING SAID IMPRINT BY DUSTING WITH A FINELY DIVIDED POWDER, COATING THE SURFACE CARRYING THE DUSTED IMPRINT WITH A LIQUID COMPOSITION CONSISTING ESSENTIALLY OF A POLYMER SETTABLE INTO A SOLID FLEXIBLE, SUBSTANTIALLY NON-TACKY, STRIPPABLE FILM, SAID DUSTING POWDER BEING INSOLUBLE IN SAID LIQUID COMPOSITION, SETTING THE COATING INTO A SOLID FILM, AND SEPARATING THE FILM FROM SAID SURFACE, SAID STRIPPED FILM CARRYING EMBEDDED THEREIN THE FINELY DIVIDED POWDER IN THE PATTERN OF SAID SKIN IMPRINT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |