US3340625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Braille slate
Assignee: Dukane Corp
•
Filing: 1965-07-09
•
Granted: 1967-09-12
•
Expires: 1985-07-09
Abstract
No abstract record available.
Inventors
- 👤 Michael C Supitilov
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:39
CPC Classifications
G; G09; G09B; G09B21/00; G09B21/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
IN A BRAILLE SLATE OF THE TYPE HAVING A FLAT BASE PLATE AND A SUPERIMPOSED FLAT GUIDE PLATE, THE BASE PLATE HAVING EMBOSSED REGIONS CORRESPONDING TO DOTS OF CELLS AND THE GUIDE PLATE HAVING AT LEAST ONE WINDOW, WITH SUCH WINDOW REGISTERING WITH A GROUP OF EMBOSSINGS MAKING UP A CELL WITH EMBOSSING BEING ACCOMPLISHED BY MEANS OF A STYLUS, THE IMPROVEMENT WHICH CONSISTS IN HAVING ROUNDED DOMESHAPED EMBOSSINGS IN THE BASE PLATE EXTEND UPWARDLY TOWARD THE SUPERIMPOSED GUIDE PLATE, THE GUIDE PLATE HAVING SUCH WINDOW DIMENSIONED SO THAT WHEN THE GUIDE PLATE IS OVER THE BASE PLATE THE BOUNDARIES OF SUCH WINDOW LIE BEYOND THE OUTER EDGES OF A CELL AS VIEWED IN PLAN, AND A "STYLUS" HAVING A SOCKET PORTION DIMENSIONED TO COOPERATE WITH A CELL EMBOSSING TO CREATE AN UPWARDLY DISPOSED EMBOSSING IN PAPER USED WITH SAID SLATE, SAID SOCKET PORTION HAVING AN ANNULAR EDGE, AND A WEB PLATE DISPOSED BETWEEN THE GUIDE AND BASE PLATES, SAID WEB PLATE HAVING APERTURES REGISTERING WITH CELL DOTS, SUCH WINDOW AND WEB PLATE APERTURES BEING DIMENSIONED TO ACCOMMODATE THE SOCKET PORTION WHEN MOVED THROUGH A WINDOW
Claim 2
Dependent Claim
186 words
IN A BRAILLE SLATE OF THE TYPE HAVING A FLAT BASE PLATE AND A SUPERIMPOSED FLAT GUIDE PLATE, THE BASE PLATE HAVING EMBOSSED REGIONS CORRESPONDING TO DOTS OF CELLS AND THE GUIDE PLATE HAVING AT LEAST ONE WINDOW, WITH SUCH WINDOW REGISTERING WITH A GROUP OF EMBOSSINGS MAKING UP A CELL WITH EMBOSSING BEING ACCOMPLISHED BY MEANS OF A STYLUS, THE IMPROVEMENT WHICH CONSISTS IN HAVING ROUNDED DOMESHAPED EMBOSSINGS IN THE BASE PLATE EXTEND UPWARDLY TOWARD THE SUPERIMPOSED GUIDE PLATE, THE GUIDE PLATE HAVING SUCH WINDOW DIMENSIONED SO THAT WHEN THE GUIDE PLATE IS OVER THE BASE PLATE THE BOUNDARIES OF SUCH WINDOW LIE BEYOND THE OUTER EDGES OF A CELL AS VIEWED IN PLAN, AND A "STYLUS" HAVING A SOCKET PORTION DIMENSIONED TO COOPERATE WITH A CELL EMBOSSING TO CREATE AN UPWARDLY DISPOSED EMBOSSING IN PAPER USED WITH SAID SLATE, SAID SOCKET PORTION HAVING AN ANNULAR EDGE, AND A WEB PLATE DISPOSED BETWEEN THE GUIDE AND BASE PLATES, SAID WEB PLATE HAVING APERTURES REGISTERING WITH CELL DOTS, SUCH WINDOW AND WEB PLATE APERTURES BEING DIMENSIONED TO ACCOMMODATE THE SOCKET PORTION WHEN MOVED THROUGH A WINDOW
References Cited (Backward Citations)
US2823468A
Cited
US2850812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |