US3174232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Teaching device
Assignee: Individual
•
Filing: 1963-08-30
•
Granted: 1965-03-23
•
Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 John H Beanvais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:03
CPC Classifications
G; G09; G09B; G09B1/00; G09B1/02; G09B1/04; G09B1/06; Y; Y10; Y10T; Y10T24/00; Y10T24/20; Y10T24/202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A SCIENCE TEACHING DEVICE COMPRISING A STIFF RECTANGULAR BASE PANEL HAVING TWO HORIZONTAL ROWS OF AREAS INDIVIDUALLY SET OFF THEREIN AND SEAPARATED BY OPEN SPACE, THE AREAS OF THE UPPER ROW PRESENTING TO VIEW PROGRESSIVE PROCEDURAL INSTRUCTIONS COMPRISING THE STEPS FOR PERFORMING A SCIENTIFIC EXPERIMENT AND THE LOWER ROW OF AREAS COMPRISING UNIT GROUPS EACH INCLUDING A GROUP OF SUPERPOSED CARDS, EACH CARD HAVING A PAIR OF SPACED APERTURES AND A LOCKING HEAD OF LESS WIDTH THAN THE CARD PROJECTING UPWARDLY ABOVE SAID APERTURES, AND AN ELASTIC LOOP PASSING THROUGH THE APERTURES OF THE SUPERPOSED CARDS OF EACH GROUP AND HOLDING THEM YIELDINGLY IN PLACE AND WHEN STRETCHED PERMITTING AN OUTER CARD OF EACH GROUP TO BE REVERSED IN POSITION AND LOCKED WITH ITS HEAD BEHIND OR IN FRONT OF THE HEAD OF THE UNDERLYING CARD.
Claim 2
Dependent Claim
136 words
A SCIENCE TEACHING DEVICE COMPRISING A STIFF RECTANGULAR BASE PANEL HAVING TWO HORIZONTAL ROWS OF AREAS INDIVIDUALLY SET OFF THEREIN AND SEAPARATED BY OPEN SPACE, THE AREAS OF THE UPPER ROW PRESENTING TO VIEW PROGRESSIVE PROCEDURAL INSTRUCTIONS COMPRISING THE STEPS FOR PERFORMING A SCIENTIFIC EXPERIMENT AND THE LOWER ROW OF AREAS COMPRISING UNIT GROUPS EACH INCLUDING A GROUP OF SUPERPOSED CARDS, EACH CARD HAVING A PAIR OF SPACED APERTURES AND A LOCKING HEAD OF LESS WIDTH THAN THE CARD PROJECTING UPWARDLY ABOVE SAID APERTURES, AND AN ELASTIC LOOP PASSING THROUGH THE APERTURES OF THE SUPERPOSED CARDS OF EACH GROUP AND HOLDING THEM YIELDINGLY IN PLACE AND WHEN STRETCHED PERMITTING AN OUTER CARD OF EACH GROUP TO BE REVERSED IN POSITION AND LOCKED WITH ITS HEAD BEHIND OR IN FRONT OF THE HEAD OF THE UNDERLYING CARD.
References Cited (Backward Citations)
US1531684A
Cited
US3093912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |