Patent US3234462A successfully refreshed from Google Patents.
US3234462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric testing by dipole orientation
Assignee: Comstock and Wescott Inc
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Filing: 1961-08-16
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Granted: 1966-02-08
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Expires: 1981-08-16
Abstract
No abstract record available.
Inventors
- 👤 Dennis W Holdsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:16
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/44; G01N33/442
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THEMETHOD OF DETERMINING CHARACTERISTICS OF A SAMPLE OF POLYMERIC MATERIAL COMPRISING APPLYING A RELATIVELY STRONG UNIDIRECTIONAL ELECTRIC FIELD ACROSS SAID SAMPLE, REMOVING SAID APPLIED FIELD WITHOUT SHOR CIRCUITING THE POTENTIAL THEN EXISTING ACROSS SAID SAMPLE, AND ALTERNATELY SHIELDING AND EXPOSING A CAPACITOR PLATE TO THE ELECTRIC FIELD OF THE PERSISTING POTENTIAL THEREBY INDUCED ACROSS
Claim 2
Dependent Claim
54 words
THEMETHOD OF DETERMINING CHARACTERISTICS OF A SAMPLE OF POLYMERIC MATERIAL COMPRISING APPLYING A RELATIVELY STRONG UNIDIRECTIONAL ELECTRIC FIELD ACROSS SAID SAMPLE, REMOVING SAID APPLIED FIELD WITHOUT SHOR CIRCUITING THE POTENTIAL THEN EXISTING ACROSS SAID SAMPLE, AND ALTERNATELY SHIELDING AND EXPOSING A CAPACITOR PLATE TO THE ELECTRIC FIELD OF THE PERSISTING POTENTIAL THEREBY INDUCED ACROSS
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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |