Patent US3403459A successfully refreshed from Google Patents.
US3403459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy mechanical computer
Assignee: JAMES L DIVILBISS
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Filing: 1966-09-21
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Granted: 1968-10-01
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Expires: 1986-09-21
Abstract
No abstract record available.
Inventors
- 👤 James L Divilbiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:03
CPC Classifications
G; G09; G09B; G09B23/00; G09B23/06; G09B23/18; G09B23/183; G09B23/186; A; A63; A63F; A63F7/00; A63F7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A MECHANICAL COMPUTER COMPRISING A SUPPORT, A LEVER PIVOTALLY MOUNTED ON SAID SUPPORT AND SWINGABLE BETWEEN TWO POSITIONS, SAID LEVER BEING COUNTERWEIGHTED TO RETAIN SAID LEVER IN ONE OF SAID POSITIONS, SAID LEVER HAVING A RECEPTACLE THEREON FORMED TO RECEIVE A PLURALITY OF BALLS, THE WEIGHT OF SAID COUNTERWEIGHT BEING SUFFICIENTLY SMALL IN RELATION TO THE WEIGHT OF SAID PLURALITY OF BALLS, SO AS TO CAUSE SAID LEVER TO MOVE TO THE OTHER OF SAID POSITIONS WHEN SAID RECEPTACLE HAS SAID PLURALITY OF BALLS THEREIN, THE WEIGHT OF SAID COUNTERWEIGHT BEING SUFFICIENTLY GREAT IN RELATION TO THE WEIGHT OF LESS BALLS THAN SAID PLURALITY OF BALLS TO CAUSE SAD LEVER TO MOVE TO SAID ONE POSITION WHEN LESS THAN SAID PLURALITY OF BALLS ARE IN SAID RECEPTACLE.
Claim 2
Dependent Claim
127 words
A MECHANICAL COMPUTER COMPRISING A SUPPORT, A LEVER PIVOTALLY MOUNTED ON SAID SUPPORT AND SWINGABLE BETWEEN TWO POSITIONS, SAID LEVER BEING COUNTERWEIGHTED TO RETAIN SAID LEVER IN ONE OF SAID POSITIONS, SAID LEVER HAVING A RECEPTACLE THEREON FORMED TO RECEIVE A PLURALITY OF BALLS, THE WEIGHT OF SAID COUNTERWEIGHT BEING SUFFICIENTLY SMALL IN RELATION TO THE WEIGHT OF SAID PLURALITY OF BALLS, SO AS TO CAUSE SAID LEVER TO MOVE TO THE OTHER OF SAID POSITIONS WHEN SAID RECEPTACLE HAS SAID PLURALITY OF BALLS THEREIN, THE WEIGHT OF SAID COUNTERWEIGHT BEING SUFFICIENTLY GREAT IN RELATION TO THE WEIGHT OF LESS BALLS THAN SAID PLURALITY OF BALLS TO CAUSE SAD LEVER TO MOVE TO SAID ONE POSITION WHEN LESS THAN SAID PLURALITY OF BALLS ARE IN SAID RECEPTACLE.
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) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |