US3270430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Educational aid
Assignee: Individual
•
Filing: 1963-12-24
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Granted: 1966-09-06
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Expires: 1983-12-24
Abstract
No abstract record available.
Inventors
- 👤 Patricia L Hurst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:35
CPC Classifications
G; G09; G09B; G09B1/00; G09B1/02; G09B1/04; G09B1/06; G09B1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
AN EDUCATIONAL AID FOR VISUALLY DEMONSTRATING SENTENCE DIAGRAMMING COMPRISING A PANEL HAVING A PLURALITY OF SYMMETRICALLY ARRANGED PERFORATIONS THEREIN, A PLURALITY OF STRIPS OF ELONGATED RELATIVELY NARROW CONSTRUCTION FOR ILLUSTRATING THE COMPONENTS OF A SENTENCE DIAGRAM, EACH OF SAID STRIPS HAVING A PAIR OF PROJECTING PEGS ON THE BACK SURFACE THEREOF FOR RECEPTION IN THE PERFORATIONS OF THE PANEL, A PLURALITY OF CARDS HAVING WORDS THEREON FOR USE AS VARIOUS COMPONENTS OF A DIAGRAMMED SENTENCE ORIENTED ABOVE THE STRIPS FOR ILLUSTRATING THE WORDS FORMING THE SENTENCE COMPONENTS DESIGNATED BY THE STRIPS, EACH OF SAID STRIPS HAVING A LONGITUDINAL RECESS ON THE INNER SURFACE THEREOF FORMING A GROOVE WHEN COMBINED WITH THE PANEL FOR RECEIVING THE LINEAR EDGE OF ONE OF THE CARDS.
Claim 2
Dependent Claim
122 words
AN EDUCATIONAL AID FOR VISUALLY DEMONSTRATING SENTENCE DIAGRAMMING COMPRISING A PANEL HAVING A PLURALITY OF SYMMETRICALLY ARRANGED PERFORATIONS THEREIN, A PLURALITY OF STRIPS OF ELONGATED RELATIVELY NARROW CONSTRUCTION FOR ILLUSTRATING THE COMPONENTS OF A SENTENCE DIAGRAM, EACH OF SAID STRIPS HAVING A PAIR OF PROJECTING PEGS ON THE BACK SURFACE THEREOF FOR RECEPTION IN THE PERFORATIONS OF THE PANEL, A PLURALITY OF CARDS HAVING WORDS THEREON FOR USE AS VARIOUS COMPONENTS OF A DIAGRAMMED SENTENCE ORIENTED ABOVE THE STRIPS FOR ILLUSTRATING THE WORDS FORMING THE SENTENCE COMPONENTS DESIGNATED BY THE STRIPS, EACH OF SAID STRIPS HAVING A LONGITUDINAL RECESS ON THE INNER SURFACE THEREOF FORMING A GROOVE WHEN COMBINED WITH THE PANEL FOR RECEIVING THE LINEAR EDGE OF ONE OF THE CARDS.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |