US3144650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical process
Assignee: Individual
•
Filing: 1962-06-28
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Granted: 1964-08-11
•
Expires: 1982-06-28
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Levine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:55
CPC Classifications
G; G03; G03G; G03G16/00; H; H04; H04N; H04N5/00; H04N5/76; H04N5/80; H04N5/82; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
IN A PROCESS FOR EMBOSSING A THERMOPLASTIC MATERIAL IN A PREDETERMINED PATTERN, THE COMBINED STEPS OF APPLYING A NELECTROSTATIC CHARGE AND APPLYING ACTINIC RADIATION TO THE THERMOPLASTIC, WITH ONE OF THE CHARGE OR RADIATION BEING IN A LATENT PATTERN OF THE EMBOSSING DEISRED, AND DEVELOPING THE LATENT PATTERN BY APPLYING TO THE THERMOPLASTIC A SUBSTANTAILLY UNIDIRECTIONALLY CHANGING MAGNETIC FIELD.
References Cited (Backward Citations)
US3008066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |