US3219989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal-transmitting apparatus for conveyances travelling between stations
Assignee: Siemens Schuckertwerke AG
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Filing: 1961-03-02
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Granted: 1965-11-23
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Expires: 1981-03-02
Abstract
No abstract record available.
Inventors
- 👤 Kuhrt Friedrich
- 👤 Lippmann Hans-Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:48
CPC Classifications
G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/142; G01D5/145; B; B61; B61L; B61L23/00; B61L23/002; B61L23/005; B65; B65G; B65G51/00; B65G51/04; B65G51/36; B65G51/40; B65G51/42; B65G51/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A TUBULAR CONVEYANCE SYSTEM COMPRISING A TUBULAR CONVEYOR, A TUBULAR CONVEYANCE ADAPTED TO SLIDE THROUGH SAID CONVEYOR AND BEING BIASED TOWARD A PREDETERMINED ANGULAR POSITION, VARIABLE MAGNETIC MEANS ON SAID CONVEYANCE, MAGNETIC STORER MERANS AT ONE LOCATION ON SAID CYLINDRICAL CONVEYOR FOR VARYING THE MAGNETIC ORIENTATION OF SAID MAGNETIC MEANS ON SAID CONVEYANCE, A PAIR OF HALL VOLTAGE SENSING DEVICES LOCATED ON SAID CONVEYOR REMOTE FROM SAID STORER MEANS FOR RESPONDING TO THE ORIENTATION OF SAID VARIABLE MAGNETIC MEANS WHEN SAID CONVEYANCE
Claim 2
Dependent Claim
82 words
A TUBULAR CONVEYANCE SYSTEM COMPRISING A TUBULAR CONVEYOR, A TUBULAR CONVEYANCE ADAPTED TO SLIDE THROUGH SAID CONVEYOR AND BEING BIASED TOWARD A PREDETERMINED ANGULAR POSITION, VARIABLE MAGNETIC MEANS ON SAID CONVEYANCE, MAGNETIC STORER MERANS AT ONE LOCATION ON SAID CYLINDRICAL CONVEYOR FOR VARYING THE MAGNETIC ORIENTATION OF SAID MAGNETIC MEANS ON SAID CONVEYANCE, A PAIR OF HALL VOLTAGE SENSING DEVICES LOCATED ON SAID CONVEYOR REMOTE FROM SAID STORER MEANS FOR RESPONDING TO THE ORIENTATION OF SAID VARIABLE MAGNETIC MEANS WHEN SAID CONVEYANCE
References Cited (Backward Citations)
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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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |