Patent US3239950A successfully refreshed from Google Patents.
US3239950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shorthand teaching aid and method of making
Assignee: Individual
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Filing: 1962-06-28
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Granted: 1966-03-15
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Expires: 1982-06-28
Abstract
No abstract record available.
Inventors
- 👤 Gladys V Conry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:46
CPC Classifications
G; G09; G09B; G09B11/00; G09B11/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A TEACHING AID ADAPTED TO PERMIT A TEACHER TO RECITE PREDETERMINED WORDS AT ANY PREDETERMINED SPEED INCLUDING A FIRST SHEET A PLURALITY OF PREDETERMINED AREAS, SAID AREAS BEING POSITIONED ON SAID FIRST SHEET TO FORM A PLURALITY OF LATERALLY EXTENDING LINES OF CONNECTED AREAS, EACH SAID AREA BEING OF EQUAL LATERAL EXTENT, SAID LINES BEING LONGITUDINALLY DISPOSED ON SAID FIRST SHEET, WORDS PRODUCED ON SAID FIRST SHEET, SAID WORDS BEING DISTRIBUTED WITHIN SAID AREAS SUCH THAT EACH LATERALLY EXTENDING LINE CONTAINS A SUFFICIENT NUMBER OF GROUPS OF WORDS WHICH DIFFER FROM GROUPS OF WORDS IN OTHER LINES SUCH THAT THE
Claim 2
Dependent Claim
100 words
A TEACHING AID ADAPTED TO PERMIT A TEACHER TO RECITE PREDETERMINED WORDS AT ANY PREDETERMINED SPEED INCLUDING A FIRST SHEET A PLURALITY OF PREDETERMINED AREAS, SAID AREAS BEING POSITIONED ON SAID FIRST SHEET TO FORM A PLURALITY OF LATERALLY EXTENDING LINES OF CONNECTED AREAS, EACH SAID AREA BEING OF EQUAL LATERAL EXTENT, SAID LINES BEING LONGITUDINALLY DISPOSED ON SAID FIRST SHEET, WORDS PRODUCED ON SAID FIRST SHEET, SAID WORDS BEING DISTRIBUTED WITHIN SAID AREAS SUCH THAT EACH LATERALLY EXTENDING LINE CONTAINS A SUFFICIENT NUMBER OF GROUPS OF WORDS WHICH DIFFER FROM GROUPS OF WORDS IN OTHER LINES SUCH THAT THE
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |