US3087732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Maze with a mechanical memory
Assignee: Individual
•
Filing: 1962-02-15
•
Granted: 1963-04-30
•
Expires: 1982-02-15
Abstract
No abstract record available.
Inventors
- 👤 Robert J Curran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:39
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/0078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A MAZE DEVICE COMPRISING A MAZE BOARD HAVING UPSTANDING MEMBERS FORMING A DEVIOUS PASSAGE OVER SAID BOARD AND AT LEAST ONE BLIND PASSAGE BRANCHING OFF SAID DEVIOUS PASSAGE, A RETRACTIBLE GATE IN SAID BLIND PASSAGE, LATCHING MEANS TO HOLD SAID GATE IN A RETRACTED POSITION, MEANS URGING SAID GATE TO A POSITION BLOCKING SAID PASSAGE, AND MEANS CONTACTABLE BY A MECHANICAL BODY TRAVELLING INTO AND OUT OF SAID BLIND PASSAGE TO UNLATCH SAID LATCHING MEANS UPON THE RETURN OF SAID MECHANICAL BODY FROM THE BLIND END OF SAID BLIND PASSAGE.
Claim 2
Dependent Claim
90 words
A MAZE DEVICE COMPRISING A MAZE BOARD HAVING UPSTANDING MEMBERS FORMING A DEVIOUS PASSAGE OVER SAID BOARD AND AT LEAST ONE BLIND PASSAGE BRANCHING OFF SAID DEVIOUS PASSAGE, A RETRACTIBLE GATE IN SAID BLIND PASSAGE, LATCHING MEANS TO HOLD SAID GATE IN A RETRACTED POSITION, MEANS URGING SAID GATE TO A POSITION BLOCKING SAID PASSAGE, AND MEANS CONTACTABLE BY A MECHANICAL BODY TRAVELLING INTO AND OUT OF SAID BLIND PASSAGE TO UNLATCH SAID LATCHING MEANS UPON THE RETURN OF SAID MECHANICAL BODY FROM THE BLIND END OF SAID BLIND PASSAGE.
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |