US3077779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air sampling means
Assignee: Individual
•
Filing: 1960-02-10
•
Granted: 1963-02-19
•
Expires: 1980-02-10
Abstract
No abstract record available.
Inventors
- 👤 Harold E Froehlich
- 👤 Roger A Kizzek
- 👤 Donald F Melton
- 👤 Richard L Schwoebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:22
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/2273; G01N2001/2279
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN AN APPARATUS FOR SAMPLING HIGH ALTITUDE ATMOSPHERIC AIR, A FLEXIBLE VESSEL ADAPTED TO BE PARACHUTED TO THE GROUND; SAID VESSEL HAVING AN OPENING AT ONE END FOR THE RECEPTION OF AN ATMOSPHERIC AIR SAMPLE AT HIGH ALTITUDE; SAID VESSEL COMPRISING AN AIR-IMPERVIOUS INELASTIC FLEXIBLE FILM LINER; SAID VESSEL ALSO COMPRISING FLEXIBLE RELATIVELY TOUGH ENVELOPE MEANS SECURED TO AND EMBRACING THE LINER FOR PROTECTING THE LINER FROM RUPTURE DUE TO GROUND IMPACT AND ABRASION;
Claim 2
Dependent Claim
74 words
IN AN APPARATUS FOR SAMPLING HIGH ALTITUDE ATMOSPHERIC AIR, A FLEXIBLE VESSEL ADAPTED TO BE PARACHUTED TO THE GROUND; SAID VESSEL HAVING AN OPENING AT ONE END FOR THE RECEPTION OF AN ATMOSPHERIC AIR SAMPLE AT HIGH ALTITUDE; SAID VESSEL COMPRISING AN AIR-IMPERVIOUS INELASTIC FLEXIBLE FILM LINER; SAID VESSEL ALSO COMPRISING FLEXIBLE RELATIVELY TOUGH ENVELOPE MEANS SECURED TO AND EMBRACING THE LINER FOR PROTECTING THE LINER FROM RUPTURE DUE TO GROUND IMPACT AND ABRASION;
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
US2978004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |