US3553667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric remote control device for setting switches and signals of toy-model-railroad track means
Assignee: Individual
•
Filing: 1968-04-08
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Granted: 1971-01-05
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Expires: 1988-04-08
Abstract
Abstract CONTROL ARRANGEMENT, ESPECIALLY FOR THE REMOTE CONTROL OF SWITCHES AND THE LIKE FOR MODEL RAILRODS IN WHICH AN ARMATURE IS CONNECTED TO THE ELEMENT TO BE MOVED AND HAS TWO ACTUATING COILS ASSOCIATED THEREWITH WHILE A REMOTE UNIT CONNECTED TO THE COILS HAS A MANUAL SWITCH CONNECTED TO EACH COIL. A FURTHER SWITCH SERIES WITH EACH COIL IS OPERATED INTO OPEN POSITION WHEN THE ARMATURE MOVES INTO THE END POSITION PERTAINING TO THE RESPECTIVE COIL WHILE AN INDICAING LAMP IN SERIES WITH EACH COIL AND THE LAST MENTIONED SWITCH IS ARRANGED ADJACENT THE MANUAL SWITCH PERTAINING TO THE OTHER COIL.
Inventors
- 👤 Walter Munzberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:31
CPC Classifications
A; A63; A63H; A63H19/00; A63H19/30; A63H19/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |