US3095655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Random sampling demonstration device
Assignee: TEXAS ELECTRIC PRODUCTS CORP
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Filing: 1962-06-21
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Granted: 1963-07-02
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Expires: 1982-06-21
Abstract
No abstract record available.
Inventors
- 👤 Berglund David Bruce
- 👤 John H Drew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:43
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A RANDOM SAMPLING DEMONSTRATING DEVICE INCLUDING A CONTAINER HAVING AN UPRIGHT MARGINAL WALL, A TOP WALL OVERLYING THE MARGINAL WALL, PLATE MEANS UNDERLYING THE MARGINAL WALLS AND HAVING A PLURALITY OF OPENING THEREIN, A SHUTTLE MEMBER SLIDABLY MOUNTED IN THE CONTAINER IN OVERLYING RELATION TO THE PLATE MEANS AND HAVING A PLURALITY OF OPENINGS FOR ALINEMENT AND MISALINEMENT WITH THE OPENINGS OF SAID PLATE MEANS UPON RECIPROVATION OF THE MEMBER, AND A PLURALITY OF SPHERICAL ARTICLES OF SLIGHTLY LESS DIAMETER AND OF GREATER QUANTITY THAN THE OPENINGS FOR PASSAGE THROUGH THE SHUTTLE MEMBER OPENINGS AND CONFINEMENT IN SAID PLATE MEANS OPENINGS UPON ALINEMENT AND MISALINEMENT OF SAID OPENINGS, A PERCENTAGE OF THE ARTICLES HAVING A DIFFERENT APPEARANCE SO AS TO BE DISTINGUISHABLE FROM THE ARTICLES, THE ARTICLES CONFINED IN SAID PLATE MEANS OPENINGS BEING VISIBLE THROUGH THE LOWER ENDS OF SAID OPENINGS.
Claim 2
Dependent Claim
142 words
A RANDOM SAMPLING DEMONSTRATING DEVICE INCLUDING A CONTAINER HAVING AN UPRIGHT MARGINAL WALL, A TOP WALL OVERLYING THE MARGINAL WALL, PLATE MEANS UNDERLYING THE MARGINAL WALLS AND HAVING A PLURALITY OF OPENING THEREIN, A SHUTTLE MEMBER SLIDABLY MOUNTED IN THE CONTAINER IN OVERLYING RELATION TO THE PLATE MEANS AND HAVING A PLURALITY OF OPENINGS FOR ALINEMENT AND MISALINEMENT WITH THE OPENINGS OF SAID PLATE MEANS UPON RECIPROVATION OF THE MEMBER, AND A PLURALITY OF SPHERICAL ARTICLES OF SLIGHTLY LESS DIAMETER AND OF GREATER QUANTITY THAN THE OPENINGS FOR PASSAGE THROUGH THE SHUTTLE MEMBER OPENINGS AND CONFINEMENT IN SAID PLATE MEANS OPENINGS UPON ALINEMENT AND MISALINEMENT OF SAID OPENINGS, A PERCENTAGE OF THE ARTICLES HAVING A DIFFERENT APPEARANCE SO AS TO BE DISTINGUISHABLE FROM THE ARTICLES, THE ARTICLES CONFINED IN SAID PLATE MEANS OPENINGS BEING VISIBLE THROUGH THE LOWER ENDS OF SAID OPENINGS.
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |