US3319978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Timed release coupling
Assignee: AT&T Inc
•
Filing: 1964-08-25
•
Granted: 1967-05-16
•
Expires: 1984-08-25
Abstract
No abstract record available.
Inventors
- 👤 Alfred E Melhose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:45
CPC Classifications
F; F42; F42B; F42B15/00; F42B15/36; Y; Y10; Y10S; Y10S285/00; Y10S285/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A DETACHABLE COUPLER HAVING TWO LINKING MEMBERS WITH AN END OF ONE NORMALLY ENCOMPASSING AN END OF THE OTHER, SAID COUPLER FURTHER COMPRISING MEANS DEFINING A HOLE IN EACH OF SAID ENDS, SAID HOLES NORMALLY BEING ALIGNED WITH EACH OTHER, A LOCKING MEMBER NORMALLY INSERTED IN SAID HOLES FOR DETACHABLY HOLDING SAID LINKING MEMBERS TOGETHER, RESILIENT MEANS TENDING TO EJECT SAID LOCKING MEMBER FROM SAID HOLES, A PIVOTED INSTRUMENTALITY NORMALLY IN A POSITION FOR BLOCKING THE EJECTION OF SAID LOCKING MEMBER FROM SAID HOLES, AND ELECTRORESPONSIVE MEANS FOR TILTING SAID PIVOTED INSTRUMENTALITY INTO A POSITION FOR UNBLOCKING THE EJECTION OF SAID LOCKING MEMBER FROM SAID HOLES, SAID LINKING MEMBERS BEING ADAPTED TO BECOME DETACHED FROM EACH OTHER IN RESPONSE TO THE EJECTION OF SAID LOCKING MEMBER FROM SAID HOLES.
Claim 2
Dependent Claim
129 words
A DETACHABLE COUPLER HAVING TWO LINKING MEMBERS WITH AN END OF ONE NORMALLY ENCOMPASSING AN END OF THE OTHER, SAID COUPLER FURTHER COMPRISING MEANS DEFINING A HOLE IN EACH OF SAID ENDS, SAID HOLES NORMALLY BEING ALIGNED WITH EACH OTHER, A LOCKING MEMBER NORMALLY INSERTED IN SAID HOLES FOR DETACHABLY HOLDING SAID LINKING MEMBERS TOGETHER, RESILIENT MEANS TENDING TO EJECT SAID LOCKING MEMBER FROM SAID HOLES, A PIVOTED INSTRUMENTALITY NORMALLY IN A POSITION FOR BLOCKING THE EJECTION OF SAID LOCKING MEMBER FROM SAID HOLES, AND ELECTRORESPONSIVE MEANS FOR TILTING SAID PIVOTED INSTRUMENTALITY INTO A POSITION FOR UNBLOCKING THE EJECTION OF SAID LOCKING MEMBER FROM SAID HOLES, SAID LINKING MEMBERS BEING ADAPTED TO BECOME DETACHED FROM EACH OTHER IN RESPONSE TO THE EJECTION OF SAID LOCKING MEMBER FROM SAID HOLES.
References Cited (Backward Citations)
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US2270317A
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US2420746A
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US3116895A
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US3237147A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |