US3332639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control circuit
Assignee: Powers Regulator Co
•
Filing: 1965-11-05
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Granted: 1967-07-25
•
Expires: 1985-11-05
Abstract
No abstract record available.
Inventors
- 👤 William F Joy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:48
CPC Classifications
B; B65; B65G; B65G51/00; B65G51/04; B65G51/36; B65G51/40; B65G51/42; B65G51/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
IN A PNEUMATIC TUBE SYSTEM, THE COMBINATION COMPRISING: A MAIN PNEUMATIC TUBE; A SECONDARY PNEUMATIC TUBE BRANCHING FROM SAID MAIN PNEUMATIC TUBE; A CARRIER ADAPTED TO TRAVEL IN SAID MAIN PNEUMATIC TUBE AND INCLUDING ADDRESS INFORMATION SIGNALLING MEANS THEREON; A PATH-DEFINING INSTRUMENTALITY FOR DIVERTING SAID CARRIER FROM SAID MAIN PNEUMATIC TUBE TO SAID SECONDARY PNEUMATIC TUBE WHEN SAID PATH-DEFINING INSTRUMENTALITY IN ACTUATED; SENSING MEANS MOUNTED ON SAID MAIN PNEUMATIC TUBE FOR SENSING SAID ADDRESS INFORMATION SIGNALLING MEANS ON SAID CARRIER WHEN SAID CARRIER IS ADVANCED THROUGH SAID MAIN PNEUMATIC TUBE; AN INPUT CIRCUIT CONNECTED TO SAID SENSING MEANS FOR PROVIDING AN OUTPUT SIGNAL WHEN PREDETERMINED ADDRESS INFORMATION IS SENSED BY SAID SENSING MEANS; A PAIR OF TRANSISTORS CONNECTED SO AS TO FORM A MONOSTABLE MULTIVIBRATOR CIRCUIT THAT IS CONNECTED TO THE OUTPUT OF SAID INPUT CIRCUIT; MEANS CONNECTED TO SAID MULTIVIBRATOR CIRCUIT SO THAT A FIRST OF SAID TRANSISTORS IS NORMALLY MAINTAINED IN A CONDUCTIVE STATE, SAID MULTIVIBRATOR CIRCUIT BEING RESPONSIVE TO SAID OUTPUT
Claim 2
Dependent Claim
164 words
IN A PNEUMATIC TUBE SYSTEM, THE COMBINATION COMPRISING: A MAIN PNEUMATIC TUBE; A SECONDARY PNEUMATIC TUBE BRANCHING FROM SAID MAIN PNEUMATIC TUBE; A CARRIER ADAPTED TO TRAVEL IN SAID MAIN PNEUMATIC TUBE AND INCLUDING ADDRESS INFORMATION SIGNALLING MEANS THEREON; A PATH-DEFINING INSTRUMENTALITY FOR DIVERTING SAID CARRIER FROM SAID MAIN PNEUMATIC TUBE TO SAID SECONDARY PNEUMATIC TUBE WHEN SAID PATH-DEFINING INSTRUMENTALITY IN ACTUATED; SENSING MEANS MOUNTED ON SAID MAIN PNEUMATIC TUBE FOR SENSING SAID ADDRESS INFORMATION SIGNALLING MEANS ON SAID CARRIER WHEN SAID CARRIER IS ADVANCED THROUGH SAID MAIN PNEUMATIC TUBE; AN INPUT CIRCUIT CONNECTED TO SAID SENSING MEANS FOR PROVIDING AN OUTPUT SIGNAL WHEN PREDETERMINED ADDRESS INFORMATION IS SENSED BY SAID SENSING MEANS; A PAIR OF TRANSISTORS CONNECTED SO AS TO FORM A MONOSTABLE MULTIVIBRATOR CIRCUIT THAT IS CONNECTED TO THE OUTPUT OF SAID INPUT CIRCUIT; MEANS CONNECTED TO SAID MULTIVIBRATOR CIRCUIT SO THAT A FIRST OF SAID TRANSISTORS IS NORMALLY MAINTAINED IN A CONDUCTIVE STATE, SAID MULTIVIBRATOR CIRCUIT BEING RESPONSIVE TO SAID OUTPUT
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |