US3248831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telescoping antenna mast
Assignee: Craig Systems Corp
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Filing: 1962-01-03
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Granted: 1966-05-03
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Expires: 1982-01-03
Abstract
No abstract record available.
Inventors
- 👤 Geoffrey T Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:25
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/18; E04H12/182; H; H01; H01Q; H01Q1/00; H01Q1/08; H01Q1/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49631
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A TELESCOPING MAST COMPRISING, IN COMBINATION: A PLURALITY OF TUBULAR ELEMENTS RECEIVING ONE ANOTHER IN LONGITUDINALLY-EXTENSIBLE TELESCOPING RELATION, SAID ELEMENTS BEING ARRANGED IN AN INNER AND AN OUTER GROUP; A PLURALITY OF CABLES, EACH OF SAID CABLES BEING DRIVINGLY CONNECTED AT A FIRST END THEREOF TO ONE OF SAID ELEMENTS OTHER THAN AN OUTERMOST ELEMENT; EACH OF SAID CABLES BEING SLIDABLY SUPPORTED UPON AN UPPER END OF THE NEXT OUTER ELEMENT; THE SECOND END OF AT LEAST A FIRST ONE OF SAID CABLES SLIDABLY SUPPORTED UPON THE INNERMOST ELEMENT OF SAID OUTER GROUP BEING ADAPTED TO BE ANCHORED IN SPACED RELATION TO SAID MAST, THE SECOND END OF A SECOND ONE OF SAID CABLES SLIDABLY SUPPORTED UPON THE OUTERMOST ELEMENT BEING ARRANGED FOR HAULING TO ERECT SAID MAST, AND THE SECOND ENDS OF EACH OF THE REMAINING CABLES BEING SECURED TO THE ELEMENT NEXT OUTWARD FROM THAT UPON WHICH EACH SAID REMAINING CABLE IS SLIDABLY SUPPORTED; WHEREBY HAULING OF SAID SECOND CABLE INITIALLY EXTENDS SAID OUTER GROUP OF ELEMENTS TO TAUTEN SAID FIRST CABLE, AND FURTHER HAULING OF SAID SECOND CABLE FURTHER EXTENDS ALL OF SAID ELEMENTS.
Claim 2
Dependent Claim
187 words
A TELESCOPING MAST COMPRISING, IN COMBINATION: A PLURALITY OF TUBULAR ELEMENTS RECEIVING ONE ANOTHER IN LONGITUDINALLY-EXTENSIBLE TELESCOPING RELATION, SAID ELEMENTS BEING ARRANGED IN AN INNER AND AN OUTER GROUP; A PLURALITY OF CABLES, EACH OF SAID CABLES BEING DRIVINGLY CONNECTED AT A FIRST END THEREOF TO ONE OF SAID ELEMENTS OTHER THAN AN OUTERMOST ELEMENT; EACH OF SAID CABLES BEING SLIDABLY SUPPORTED UPON AN UPPER END OF THE NEXT OUTER ELEMENT; THE SECOND END OF AT LEAST A FIRST ONE OF SAID CABLES SLIDABLY SUPPORTED UPON THE INNERMOST ELEMENT OF SAID OUTER GROUP BEING ADAPTED TO BE ANCHORED IN SPACED RELATION TO SAID MAST, THE SECOND END OF A SECOND ONE OF SAID CABLES SLIDABLY SUPPORTED UPON THE OUTERMOST ELEMENT BEING ARRANGED FOR HAULING TO ERECT SAID MAST, AND THE SECOND ENDS OF EACH OF THE REMAINING CABLES BEING SECURED TO THE ELEMENT NEXT OUTWARD FROM THAT UPON WHICH EACH SAID REMAINING CABLE IS SLIDABLY SUPPORTED; WHEREBY HAULING OF SAID SECOND CABLE INITIALLY EXTENDS SAID OUTER GROUP OF ELEMENTS TO TAUTEN SAID FIRST CABLE, AND FURTHER HAULING OF SAID SECOND CABLE FURTHER EXTENDS ALL OF SAID ELEMENTS.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |