Patent US3208467A successfully refreshed from Google Patents.
US3208467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittent vacuum regulator
Assignee: Allied Healthcare Products Inc
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Filing: 1962-07-11
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Granted: 1965-09-28
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Expires: 1982-07-11
Abstract
No abstract record available.
Inventors
- 👤 Francis J Eichelman
- 👤 Eldridge H Smiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:18
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0655; A; A61; A61M; A61M1/00; A61M1/71; A61M1/74; A61M1/75; G05D16/0616; G05D16/0625; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2546; Y10T137/2549; Y10T137/7722; Y10T137/7781; Y10T137/7835; Y10T137/7836; Y10T137/8593; Y10T137/86389; Y10T137/86405; Y10T137/86413
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A VACUUM INTERRUPTER FOR USE WITH A VACUUM LINE COMPRISING A BASE PLATE HAVING A GENERALLY FLAT SIDE, AN OPPOSITE SIDE, AND A PLURALITY OF SPACED OPENINGS PASSING THROUGH SAID PLATE FROM SAID FLAT SIDE TO SAID OPPOSITE SIDE; A VACUUM OPERATED MOTOR MOUNTED ON SAID OPPOSITE SIDE OF SAID BASE PLATE; INTERRUPTER OUTLET MEANS ON SAID OPPOSITE SIDE OF SAID BASE PLATE; VALVE MEANS OPERATED BY SAID MOTOR FOR ALTERNATELY CONNECTING SAID VACUUM LINE TO SAID MOTOR AND SAID INTERRUPTER OUTLET MEANS; AND MEANS INCLUDING SAID OPENINGS AND A SINGLE RECESSED PLATE SECURED TO SAID FLAT SIDE OF SAID BASE PLATE FOR PLACING SAID VALVE MEANS IN COMMUNICATION WITH SAID MOTOR AND SAID INTERRUPTER OUTLET MEANS.
Claim 2
Dependent Claim
117 words
A VACUUM INTERRUPTER FOR USE WITH A VACUUM LINE COMPRISING A BASE PLATE HAVING A GENERALLY FLAT SIDE, AN OPPOSITE SIDE, AND A PLURALITY OF SPACED OPENINGS PASSING THROUGH SAID PLATE FROM SAID FLAT SIDE TO SAID OPPOSITE SIDE; A VACUUM OPERATED MOTOR MOUNTED ON SAID OPPOSITE SIDE OF SAID BASE PLATE; INTERRUPTER OUTLET MEANS ON SAID OPPOSITE SIDE OF SAID BASE PLATE; VALVE MEANS OPERATED BY SAID MOTOR FOR ALTERNATELY CONNECTING SAID VACUUM LINE TO SAID MOTOR AND SAID INTERRUPTER OUTLET MEANS; AND MEANS INCLUDING SAID OPENINGS AND A SINGLE RECESSED PLATE SECURED TO SAID FLAT SIDE OF SAID BASE PLATE FOR PLACING SAID VALVE MEANS IN COMMUNICATION WITH SAID MOTOR AND SAID INTERRUPTER OUTLET MEANS.
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) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |