Patent US2723476A successfully refreshed from Google Patents.
US2723476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skinprint inking means
Assignee: —
•
Filing: —
•
Granted: 1955-11-15
•
Expires: 1972-11-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:53
CPC Classifications
A; A47; A47K; A47K7/00; A47K7/02; A47K7/03; A61; A61Q; A61Q1/00; A61Q1/02; A61Q1/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A SKINPRINTING DEVICE COMPRISING A POROUS SLAB OF CALCIUM SULFATE DIHYDRATE, A LIQUID PETROLATUM BASE ANILINE DYE INK INTERSTITIALLY DISPERSED THROUGHOUT SAID SLAB, THE RELATIONSHIP BETWEEN THE POROSITY OF THE SLAB AND THE VISCOSITY OF THE INK BEING SUCH AS TO CAUSE A LARGE FACE OF SAID SLAB TO PRESENT A SMOOTH NORMALLY NON-GLISTENING SURFACE OF DRY APPEARANCE.
Claim 2
Dependent Claim
58 words
A SKINPRINTING DEVICE COMPRISING A POROUS SLAB OF CALCIUM SULFATE DIHYDRATE, A LIQUID PETROLATUM BASE ANILINE DYE INK INTERSTITIALLY DISPERSED THROUGHOUT SAID SLAB, THE RELATIONSHIP BETWEEN THE POROSITY OF THE SLAB AND THE VISCOSITY OF THE INK BEING SUCH AS TO CAUSE A LARGE FACE OF SAID SLAB TO PRESENT A SMOOTH NORMALLY NON-GLISTENING SURFACE OF DRY APPEARANCE.
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) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |