Patent US3216558A successfully refreshed from Google Patents.
US3216558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Puzzle locking device
Assignee: Individual
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Filing: 1963-11-06
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Granted: 1965-11-09
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Expires: 1983-11-06
Abstract
No abstract record available.
Inventors
- 👤 Owen T Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:25
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/06; A63F9/12; A63F2250/00; A63F2250/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
337 words
A PUZZLE BOX COMPRISING (A) OUTER WALLS, AT LEAST ONE OF WHICH IS TRANSPARENT; (B) AT LEAST ONE INNER WALL OPPOSITE TO AND SPACED FROM A RESPECTIVE TRANSPARENT OUTER WALL; (C) A BOTTOM, (D) SAID TRANSPARENT WALL AND ITS RESPECTIVE INNER WALL AND SAID BOTTOM DEFINING A CONFINED ZONE; (E) A PLURALITY OF MOVABLE MEMBERS IN SAID CONFINED ZONE WITH A VARIABLE FREE SPACE IN SAID ZONE BETWEEN AT LEAST TWO OF SAID MEMBERS, SAID MEMBERS BEING SLIDABLE WITHIN A LIMITED SPACE IN SAID CONFINED ZONE IN A STEPWISE MANNER AS SAID FREE SPACE CHANGES WHEN SAID MEMBERS ARE MOVED, TWO OF SAID MEMBERS BEING LONGITUDINALLY DISPOSED IN THE TOPMOST PORTION OF SAID CONFINED ZONE; (F) LATCH MEANS ON THE FACING ENDS OF SAID TWO LAST MENTIONED LONGITUDINALLY DISPOSED MEMBERS; (G) A LID ON SAID BOX; (H) CATCH MEANS MOUNTED ON SAID LID SLIDABLE THEREON BETWEEN A FIRST LOCKING POSITION, IN WHICH SAID CATCH MEANS ENGAGES ONE OF SAID LATCH MEANS, AND A SECOND LOCKING POSITION IN WHICH SAID CATCH MEANS ENGAGES THE OTHER OF SAID LATCH MEANS; (I) SAID ONE OF SAID LATCH MEANS BEING DISENGAGEABLE FROM SAID CATCH MEANS IN SAID FIRST LOCKING POSITION BY THE STEPWISE MOVEMENT OF SAID MOVABLE MEMBERS, ACCORDING TO A PREDETERMINED SEQUENCE, COMMENCING WITH THE MOVABLE MEMBER WITH SAID OTHER LATCH MEANS THEREON, AND ENDING WITH SAID MEMBER WITH SAID ONE LATCH MEANS THEREON, SAID CATCH MEANS BEING THEN RENDERED ENGAGEABLE WITH SAID OTHER LATCH MEANS BY MOVING SAID CATCH MEANS TO SAID SECOND LOCKING POSITION; AND (J) SAID OTHER OF SAID LATCH MEANS BEING DISENGAGEABLE FROM SAID CATCH MEANS IN SAID SECOND LOCKING POSITION BY THE STEPWISE MOVEMENT OF SAID MOVABLE MEMBERS, IN AN ORDER WHICH IS IN THE REVERSE OF SAID PREDETERMINED SEQUENCE, COMMENCING WITH SAID MOVABLE MEMBER WITH SAID ONE LATCH MERANS THEREON AND ENDING WITH SAID MOVABLE MEMBER WITH SAID OTHER LATCH MEANS THEREON, SAID CATCH MEANS BEING THEN RENDERED ENGAGEABLE WITH SAID ONE LATCH MEANS BY MOVING SAID CATCH MEANS TO SAID FIRST LOCKING POSITION.
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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |