Patent US3740872A successfully refreshed from Google Patents.
US3740872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for teaching writing
Assignee: Lee Raymond Organization Inc
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Filing: 1971-10-13
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Granted: 1973-06-26
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Expires: 1991-10-13
Abstract
Abstract A hollow container has a flat top surface and supports removably individual blocks, each carrying an opening shaped into a different letter of the alphabet. A plurality of blocks can be inserted above the surface. When paper is disposed between surface and blocks, user can move a pencil point through the block openings to write the corresponding letters on the paper.
Inventors
- 👤 V Mayo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:19
CPC Classifications
G; G09; G09B; G09B11/00; G09B11/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
119 words
Apparatus for teaching writing comprising: A HOLLOW CONTAINER HAVING A TOP LID ADJACENT A BORDER, SAID LID AND BORDER BEING SPACED BY A TRANSVERSE HORIZONTAL SLIT; PAPER FEED MEANS MANUALLY OPERABLE FOR FEEDING PAPER UPWARD THROUGH SAID SLIT TO OVERLIE THE PORTION OF THE LID DISPOSED THEREBETWEEN; SLOT CARRYING MEANS SECURED TO THE CONTAINER AND OVERLYING SAID PAPER; AND A PLURALITY OF INDIVIDUAL BLOCKS DETACHABLY DISPOSED IN THE SLOT OF THE CARRYING MEANS, EACH BLOCK HAVING AN OPENING DEFINING A LETTER OF THE ALPHABET; SAID LID HAVING A SPACED PARALLEL SLIT THROUGH WHICH SAID PAPER PASSES DOWNWARD, AND SAID BORDER CARRYING PICTURE FORMS OF LETTERS; SAID SLOT MEANS BEING SLIDABLE ALONG THE PAPER AND BEING PARALLEL TO SAID SLITS.
Claim 2
Dependent Claim
119 words
Apparatus for teaching writing comprising: A HOLLOW CONTAINER HAVING A TOP LID ADJACENT A BORDER, SAID LID AND BORDER BEING SPACED BY A TRANSVERSE HORIZONTAL SLIT; PAPER FEED MEANS MANUALLY OPERABLE FOR FEEDING PAPER UPWARD THROUGH SAID SLIT TO OVERLIE THE PORTION OF THE LID DISPOSED THEREBETWEEN; SLOT CARRYING MEANS SECURED TO THE CONTAINER AND OVERLYING SAID PAPER; AND A PLURALITY OF INDIVIDUAL BLOCKS DETACHABLY DISPOSED IN THE SLOT OF THE CARRYING MEANS, EACH BLOCK HAVING AN OPENING DEFINING A LETTER OF THE ALPHABET; SAID LID HAVING A SPACED PARALLEL SLIT THROUGH WHICH SAID PAPER PASSES DOWNWARD, AND SAID BORDER CARRYING PICTURE FORMS OF LETTERS; SAID SLOT MEANS BEING SLIDABLE ALONG THE PAPER AND BEING PARALLEL TO SAID SLITS.
Claim 3
Dependent Claim
27 words
Apparatus as set forth in claim 1 further including manually adjustable means to vary the length of said slot to determine the number of blocks disposable therein.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |