Patent US3206140A successfully refreshed from Google Patents.
US3206140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic carrier system
Assignee: Powers Regulator Co
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Filing: 1962-11-08
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Granted: 1965-09-14
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Expires: 1982-11-08
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Knight
- 👤 David H Thorburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:36
CPC Classifications
B; B65; B65G; B65G51/00; B65G51/04; B65G51/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A SWITCH FOR A JUNCTION OF A FIRST AND SECOND CONDUIT IN A PNEUMATIC CARRIER SYSTEM, SAID SWITCH COMPRISING A PIVOTALLY MOUNTED DEFLECTOR MEANS AT SAID JUNCTION OF SAID FIRST AND SECOND CONDUITS, SAID DEFLECTOR MEANS BEING ADAPTED TO DIVERT A MESSAGE CARRIER TRAVELING IN SAID FIRST CONDUIT INTO SAID SECOND CONDUIT OR TO ALLOW SAID MESSAGE CARRIER TO CONTINUE TO MOVE IN SAID FIRST CONDUIT PAST SAID SWITCH, SAID FIRST AND SECOND CONDUITS EACH HAVING PORTS OPENING TO THE ATMOSPHERE IN CLOSE PROXIMITY TO SAID JUNCTION, SAID DEFLECTOR MEANS CLOSING THE PORT OF SAID SECOND CONDUIT WHEN IN POSITION TO DIVERT A MESSAGE CARRIER TRAVELING IN SAID FIRST CONDUIT INTO SAID SECOND CONDUIT, AND SAID DEFLECTOR MEANS CLOSING THE PORT OF SAID FIRST CONDUIT WHEN IN POSITION TO ALLOW SAID MESSAGE CARRIER TO CONTINUE TO TRAVLE IN SAID FIRST CONDUIT PAST SAID SWITCH.
Claim 2
Dependent Claim
144 words
A SWITCH FOR A JUNCTION OF A FIRST AND SECOND CONDUIT IN A PNEUMATIC CARRIER SYSTEM, SAID SWITCH COMPRISING A PIVOTALLY MOUNTED DEFLECTOR MEANS AT SAID JUNCTION OF SAID FIRST AND SECOND CONDUITS, SAID DEFLECTOR MEANS BEING ADAPTED TO DIVERT A MESSAGE CARRIER TRAVELING IN SAID FIRST CONDUIT INTO SAID SECOND CONDUIT OR TO ALLOW SAID MESSAGE CARRIER TO CONTINUE TO MOVE IN SAID FIRST CONDUIT PAST SAID SWITCH, SAID FIRST AND SECOND CONDUITS EACH HAVING PORTS OPENING TO THE ATMOSPHERE IN CLOSE PROXIMITY TO SAID JUNCTION, SAID DEFLECTOR MEANS CLOSING THE PORT OF SAID SECOND CONDUIT WHEN IN POSITION TO DIVERT A MESSAGE CARRIER TRAVELING IN SAID FIRST CONDUIT INTO SAID SECOND CONDUIT, AND SAID DEFLECTOR MEANS CLOSING THE PORT OF SAID FIRST CONDUIT WHEN IN POSITION TO ALLOW SAID MESSAGE CARRIER TO CONTINUE TO TRAVLE IN SAID FIRST CONDUIT PAST SAID SWITCH.
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) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |