US3674598A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing a three-dimensional work of art
Assignee: Individual
•
Filing: 1970-07-23
•
Granted: 1972-07-04
•
Expires: 1990-07-23
Abstract
Abstract THREE-DIMENSIONAL PICTURES AND THE LIKE ARE FORMED BY APPLYING A MIX OF INK AND SOLVENT TO SELECTED PORTIONS OF THE SURFACE OF A BODY OF EXPANDED POLYSTYRENE TO SIMULTANEOUSLY ETCH AND COLOR THE BODY AT THE POINT OF APPLICATION. THE INK AND SOLVENT MIX IS APPLIED WITH A HAND HELD APPLICATOR HAVING A LIQUID RESERVOIR CONTAINING THE MIX AND A POROUS FIBER TIP THROUGH WHICH THE MIX IS APPLIED TO THE BODY OF EXPANDED POLYSTYRENE.
Inventors
- 👤 Richard J Mayer
- 👤 Benjamin Kinberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:30
CPC Classifications
B; B44; B44C; B44C3/00; B44C3/06; B44B; B44B5/00; B44C1/00; B44C1/22; B44C1/227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |