US3208162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Square and cube root demonstrator
Assignee: Individual
•
Filing: 1963-12-26
•
Granted: 1965-09-28
•
Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Wilmont W Wisdom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:23
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/02; G09B23/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN EDUCATIONAL AID COMPRISING A COMPOSITE PARALLELPIPED, THE LENGTH AND WIDTH OF THE SIDES EACH HAVING A VALUE OF X+Y+Z AND WHEREIN Z IS THE UNIT VALUE OF THE LENGTH SIDE, Y IS THE TENS VALUE OF THE LENGTH SIDE AND X IS THE HUNDREDTHS VALUE OF THE LENGTH SIDE WHEREIN THE DIGITAL VALUE OF X, Y AND Z ARE INTERGERS HAVING A VALUE OF FROM 1 TO 9 INCLUSIVE, SAID PARALLELPIPED COMPRISING SEVEN THREE DIMENSIONAL UNITS, ONE UNIT HAVING A LENGTH EQUAL TO X AND WIDTH EQUAL TO X, TWO OTHERS HAVING A LENGTH EQUAL TO X AND WIDTH EQUAL TO X, TWO OTHERS HAVING
Claim 2
Dependent Claim
106 words
AN EDUCATIONAL AID COMPRISING A COMPOSITE PARALLELPIPED, THE LENGTH AND WIDTH OF THE SIDES EACH HAVING A VALUE OF X+Y+Z AND WHEREIN Z IS THE UNIT VALUE OF THE LENGTH SIDE, Y IS THE TENS VALUE OF THE LENGTH SIDE AND X IS THE HUNDREDTHS VALUE OF THE LENGTH SIDE WHEREIN THE DIGITAL VALUE OF X, Y AND Z ARE INTERGERS HAVING A VALUE OF FROM 1 TO 9 INCLUSIVE, SAID PARALLELPIPED COMPRISING SEVEN THREE DIMENSIONAL UNITS, ONE UNIT HAVING A LENGTH EQUAL TO X AND WIDTH EQUAL TO X, TWO OTHERS HAVING A LENGTH EQUAL TO X AND WIDTH EQUAL TO X, TWO OTHERS HAVING
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |