US3289211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical recording pen
Assignee: Xerox Corp
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Filing: 1964-05-15
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Granted: 1966-11-29
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Expires: 1984-05-15
Abstract
No abstract record available.
Inventors
- 👤 Klavsons Uldis
- 👤 James E Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:10
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/16; G01D15/06; G01D15/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A RECORDER COMPRISING: (A) A LIQUID RESERVOIR CONTAINING A QUANTITY OF LIQUID RECORDING INK; (B) AN ELECTRICALLY CONDUCTIVE STYLUS TERMINATING AT ONE END IN AN INTEGRALLY CONTINUOUS WRITING TIP CAPABLE OF RETAINING A QUANTITY OF LIQUID INK CONTINUOUSLY THEREAT; (C) MEANS TO SUPPLY LIQUID INK FROM SAID RESERVOIR TO THE WRITING TIP OF SAID STYLUS AND INCLUDING CAPILLARY MEANS EXTENDING TO NEAR SAID WRITING TOP BUT TERMINATING PRIOR THERETO; (D) ELECTRICALLY CONDUCTIVE MEANS TO SUPPORT A RECORDING SURFACE IN PHYSICAL CONTACT WITH THE WRITING TIP OF SAID STYLUS; (E) MEANS TO PROVIDE RELATIVE MOTION BETWEEN SAID STYLUS AND A RECORDING SURFACE ON SAID MEANS TO SUPPORT; AND, (F) ELECTRICAL SIGNAL MEANS TO APPLY AN ELECTRICAL POTENTIAL BETWEEN SAID MEANS TO SUPPORT AND SAID STYLUS TO EFFECT IN RESPONSE TO SAID SIGNAL A SELECTIVE TRANSFER OF LIQUID INK FROM SAID STYLUS TO A RECORDING SURFACE ON SAID MEANS TO SUPPORT.
Claim 2
Dependent Claim
149 words
A RECORDER COMPRISING: (A) A LIQUID RESERVOIR CONTAINING A QUANTITY OF LIQUID RECORDING INK; (B) AN ELECTRICALLY CONDUCTIVE STYLUS TERMINATING AT ONE END IN AN INTEGRALLY CONTINUOUS WRITING TIP CAPABLE OF RETAINING A QUANTITY OF LIQUID INK CONTINUOUSLY THEREAT; (C) MEANS TO SUPPLY LIQUID INK FROM SAID RESERVOIR TO THE WRITING TIP OF SAID STYLUS AND INCLUDING CAPILLARY MEANS EXTENDING TO NEAR SAID WRITING TOP BUT TERMINATING PRIOR THERETO; (D) ELECTRICALLY CONDUCTIVE MEANS TO SUPPORT A RECORDING SURFACE IN PHYSICAL CONTACT WITH THE WRITING TIP OF SAID STYLUS; (E) MEANS TO PROVIDE RELATIVE MOTION BETWEEN SAID STYLUS AND A RECORDING SURFACE ON SAID MEANS TO SUPPORT; AND, (F) ELECTRICAL SIGNAL MEANS TO APPLY AN ELECTRICAL POTENTIAL BETWEEN SAID MEANS TO SUPPORT AND SAID STYLUS TO EFFECT IN RESPONSE TO SAID SIGNAL A SELECTIVE TRANSFER OF LIQUID INK FROM SAID STYLUS TO A RECORDING SURFACE ON SAID MEANS TO SUPPORT.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |