US3279883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Distributing purified air
Assignee: Midland Ross Corp
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Filing: 1962-12-20
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Granted: 1966-10-18
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Expires: 1982-12-20
Abstract
No abstract record available.
Inventors
- 👤 Raymond P Thompson
- 👤 Gerald W Knepp
- 👤 Gilbert A Kelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:34
CPC Classifications
A; A61; A61G; A61G13/00; A61G13/10; A61G13/108; F; F24; F24F; F24F13/00; F24F13/02; F24F13/06; F24F13/08; F24F13/081; Y; Y10; Y10S; Y10S55/00; Y10S55/29
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
IN A METHOD OF DISTRIBUTING A GAS INTO A SPACE, THE STEPS COMPRISING DIRECTING A FIRST STREAM OF GAS UNIDIRECTIONALLY INTO THE SPACE, EMITTING A SECOND STREAM OF GAS INTO THE SPACE FROM THE PERIPHERY OF SAID FIRST STREAM OF GAS, SAID SECOND STREAM OF GAS CIRCUMPOSING SAID PERIPHERY AND BEING DIVERTED AT AN OUTWARD ANGLE BETWEEN 30 TO 105* RELATIVE TO THE DIRECTION OF SAID MOTION OF SAID FIRST STREAM OF GAS, THEREBY SUBSTANTIALLY INHIBITING THE TENDENCY OF SAID FIRST STREAM OF GAS TO ENTRAIN FLUID FROM THE SPACE.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |