US3201188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary exhaust apparatus
Assignee: Varian Medical Systems Inc
•
Filing: 1961-03-29
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Granted: 1965-08-17
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Expires: 1981-03-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Byrne
- 👤 William F Luck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:21
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A ROTARY EXHAUST APPARATUS FOR EVACUATING A HOLLOW ARTICLE INCLUDING: A STATIONARY SUPPORT MEANS HAVING OPERATING STATIONS ARRANGED THEREON IN CIRCUMFRENTIAL SEQUENTIAL RELATION, A PLURALITY OF SAID STATIONS INCLUDING STATIONARY ELECTRICAL CONTACT MEMBERS; A PLURALITY OF POWER SUPPLIES ELECTRICALLY CONNECTED TO SAID STATIONARY CONTACT MEMBERS, FOR SUPPLYING AN ELECTRIC CURRENT THERETO; A TURNTABLE MEMBER MOUNTED FOR MOVEMENT RELATIVE TO SAID SUPPORT MEANS HAVING A PLURALITY OF SLIDING CONTACT MEMBERS ARRANGED THEREON IN CIRCUMFERENTIAL SPACED RELATION; A PLURALITY OF CLOSED VACUUM SYSTEMS MOUNTED ON SAID TURNTABLE FOR EVACUATING SAID HOLLOW ARTICLE, EACH OF SAID CLOSED VACUUM SYSTEMS INCLUDING AN ARTICLE RECEIVING EXHAUST TUBULATION AND AN ELECTRICAL GETTER ION VACUUM PUMP CONNECTED TO SAID TUBULATION; MEANS FOR SEQUENTIALLY ELECTRICALLY CONNECTING EACH OF SAID ELECTRIC GETTER ION PUMPS TO A RESPECTIVE ONE OF SAID POWER SUPPLIES BY MEANS OF SAID SLIDING CONTACT MEMBERS; AND, MEANS FOR CONTINUOUSLY INDEXING SAID TURNTABLE MEMBER TO THEREBY ADVANCE SAID HOLLOW ARTICLES THROUGH SUCCESSIVE OPERATING STATIONS AND SAID SLIDING CONTACT MEMBERS IN CONTACT WITH SAID STATIONARY CONTACT MEMBERS WHEREBY ELECTRICAL CURRENT IS SUPPLIED TO SAID ELECTRICAL GETTER ION PUMPS.
Claim 2
Dependent Claim
181 words
A ROTARY EXHAUST APPARATUS FOR EVACUATING A HOLLOW ARTICLE INCLUDING: A STATIONARY SUPPORT MEANS HAVING OPERATING STATIONS ARRANGED THEREON IN CIRCUMFRENTIAL SEQUENTIAL RELATION, A PLURALITY OF SAID STATIONS INCLUDING STATIONARY ELECTRICAL CONTACT MEMBERS; A PLURALITY OF POWER SUPPLIES ELECTRICALLY CONNECTED TO SAID STATIONARY CONTACT MEMBERS, FOR SUPPLYING AN ELECTRIC CURRENT THERETO; A TURNTABLE MEMBER MOUNTED FOR MOVEMENT RELATIVE TO SAID SUPPORT MEANS HAVING A PLURALITY OF SLIDING CONTACT MEMBERS ARRANGED THEREON IN CIRCUMFERENTIAL SPACED RELATION; A PLURALITY OF CLOSED VACUUM SYSTEMS MOUNTED ON SAID TURNTABLE FOR EVACUATING SAID HOLLOW ARTICLE, EACH OF SAID CLOSED VACUUM SYSTEMS INCLUDING AN ARTICLE RECEIVING EXHAUST TUBULATION AND AN ELECTRICAL GETTER ION VACUUM PUMP CONNECTED TO SAID TUBULATION; MEANS FOR SEQUENTIALLY ELECTRICALLY CONNECTING EACH OF SAID ELECTRIC GETTER ION PUMPS TO A RESPECTIVE ONE OF SAID POWER SUPPLIES BY MEANS OF SAID SLIDING CONTACT MEMBERS; AND, MEANS FOR CONTINUOUSLY INDEXING SAID TURNTABLE MEMBER TO THEREBY ADVANCE SAID HOLLOW ARTICLES THROUGH SUCCESSIVE OPERATING STATIONS AND SAID SLIDING CONTACT MEMBERS IN CONTACT WITH SAID STATIONARY CONTACT MEMBERS WHEREBY ELECTRICAL CURRENT IS SUPPLIED TO SAID ELECTRICAL GETTER ION PUMPS.
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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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |