US3117755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple branch lane switching in model traffic system
Assignee: AC Gilbert Co
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Filing: 1962-06-21
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Granted: 1964-01-14
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Expires: 1982-06-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Minor G Kretzmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:21
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/02; A63H18/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A MODEL TRAFFIC SYSTEM PROVIDING VARIABLY COORDINATED COURSES OF TRAVEL FOR MINITURE VEHICLES PAST FORKED JUNCTIONS OF MERGING LANES OF THE SYSTEM, COMPRISING PSEUDO ROADBED STRUCTURE HAVING COMMUNICATING PERMANENT DIVERGENT GROOVES MERGING AT FORKED JUNCTIONS TO ESTABLISH BRANCHING LANES OF VEHICLE TRAVEL, A SELF-POWERED MODEL VEHICLE CARRYING A PILOT LEG GUIDED IN SAID GROOVES, A SWITCH TONGUE SHIFTABLE CROSSWISE SAID DIVERGENT GROOVES AT EACH OF A PLURALITY OF SAID FORKED JUNCTIONS IN A MANNER TO BLOCK CERTAIN OF SAID DIVERGENT GROOVES WHILE CLEARING OTHERS OF SAID GROOVES FOR PASSAGE BY SAID PILOT LEG, AND MEANS OPERATIVELY ASSOCIATING A PLURALITY OF SAID SWITCH TONGUES IN A MANNER TO EFFECT SIMULTANEOUS SHIFTING THEREOF IN COORDINATED RELATION, WHEREBY TO PREDETERMINE WHICH OF SAID BRANCHING LANES WILL BE TRAVELED BY DIFFERENT VEHICLES TO EFFECT DIFFERENT PATTERNS OF TRAFFIC FLOW.
Claim 2
Dependent Claim
135 words
A MODEL TRAFFIC SYSTEM PROVIDING VARIABLY COORDINATED COURSES OF TRAVEL FOR MINITURE VEHICLES PAST FORKED JUNCTIONS OF MERGING LANES OF THE SYSTEM, COMPRISING PSEUDO ROADBED STRUCTURE HAVING COMMUNICATING PERMANENT DIVERGENT GROOVES MERGING AT FORKED JUNCTIONS TO ESTABLISH BRANCHING LANES OF VEHICLE TRAVEL, A SELF-POWERED MODEL VEHICLE CARRYING A PILOT LEG GUIDED IN SAID GROOVES, A SWITCH TONGUE SHIFTABLE CROSSWISE SAID DIVERGENT GROOVES AT EACH OF A PLURALITY OF SAID FORKED JUNCTIONS IN A MANNER TO BLOCK CERTAIN OF SAID DIVERGENT GROOVES WHILE CLEARING OTHERS OF SAID GROOVES FOR PASSAGE BY SAID PILOT LEG, AND MEANS OPERATIVELY ASSOCIATING A PLURALITY OF SAID SWITCH TONGUES IN A MANNER TO EFFECT SIMULTANEOUS SHIFTING THEREOF IN COORDINATED RELATION, WHEREBY TO PREDETERMINE WHICH OF SAID BRANCHING LANES WILL BE TRAVELED BY DIFFERENT VEHICLES TO EFFECT DIFFERENT PATTERNS OF TRAFFIC FLOW.
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) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |