US3295141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for recording by electrostatically rupturing microcapsules
Assignee: Individual
•
Filing: 1965-07-22
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Granted: 1966-12-27
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Expires: 1985-07-22
Abstract
No abstract record available.
Inventors
- 👤 Friedman Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:07
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/02; B01J13/025; B41; B41M; B41M5/00; B41M5/20; Y; Y10; Y10S; Y10S101/00; Y10S101/37
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
APPARATUS OF EXPOSING OR RELEASING THE CONTENTS OF MICRO-CAPSULAR MATERIAL WHEREIN A LIQUID SUBSTANCE IS ENCLOSED IN A MANTLE OF RELATIVELY IMPERVIOUS PRESSURE RUPTURABLE MATERIAL COMPRISING A SUPPORT HAVING A COATING OF CAPSULAR MATERIAL ON A SURFACE THEREOF, A PAIR OF SPACED ELECTRODES BETWEEN WHICH SAID SUPPORT IS DISPOSED, A SOURCE OF HIGH VOLTAGE CONNECTED TO SAID ELECTRODES WHEREBY THE APPLICATION OF VOLTAGE TO SAID ELECTRODES CAUSES THE RUPTURE OF THE CAPSULAR MATERIAL AND EXPOSES OR RELEASES THE CONTENTS THEREOF TO FORM AN INDICATION UPON SAID SUPPORT.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |