US3197892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Educational device
Assignee: Individual
•
Filing: 1963-05-23
•
Granted: 1965-08-03
•
Expires: 1983-05-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Hancy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:17
CPC Classifications
G; G09; G09B; G09B11/00; G09B11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN AN EDUCATIONAL DEVICE FOR TEACHING CHILDREN PENMANSHIP, A BODY MEMBER HAVING GROOVES WITH BOTTOM AND SIDE WALLS FORMING CHARACTERS THEREIN, THE GROOVES PROVIDING MEANS FOR GUIDING A WRITING IMPLEMENT ALONG A PATH DEFINING SAID CHARACTERS, THE IMPROVEMENT WHEREIN AT LEAST PORTIONS OF THE BOTTOMS OF SAID GROOVES ARE FORMED AS TOOTHED SURFACES COMPRISING A SERIES OF UNDIRECTIONAL RATCHET TEETH AND WHEREIN AT LEAST ONE MEMBER OF SAID SERIES IS LOCATED ON SAID PATH BETWEEN ANY JUNCTURES AND CROSSINGS THAT ARE INCLUDED IN THE PATH FORMING A CHARACTER WHEREBY THE WRITING IMPLEMENT CAN BE TRACKED IN THE GROOVE IN ONLY ONE DIRECTION.
Claim 2
Dependent Claim
102 words
IN AN EDUCATIONAL DEVICE FOR TEACHING CHILDREN PENMANSHIP, A BODY MEMBER HAVING GROOVES WITH BOTTOM AND SIDE WALLS FORMING CHARACTERS THEREIN, THE GROOVES PROVIDING MEANS FOR GUIDING A WRITING IMPLEMENT ALONG A PATH DEFINING SAID CHARACTERS, THE IMPROVEMENT WHEREIN AT LEAST PORTIONS OF THE BOTTOMS OF SAID GROOVES ARE FORMED AS TOOTHED SURFACES COMPRISING A SERIES OF UNDIRECTIONAL RATCHET TEETH AND WHEREIN AT LEAST ONE MEMBER OF SAID SERIES IS LOCATED ON SAID PATH BETWEEN ANY JUNCTURES AND CROSSINGS THAT ARE INCLUDED IN THE PATH FORMING A CHARACTER WHEREBY THE WRITING IMPLEMENT CAN BE TRACKED IN THE GROOVE IN ONLY ONE DIRECTION.
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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |