US3203248A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for sampling headspace gas of cans
Assignee: Stroh Brewery Co
•
Filing: 1963-04-19
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Granted: 1965-08-31
•
Expires: 1983-04-19
Abstract
No abstract record available.
Inventors
- 👤 James R Stutler
- 👤 Philip E Dakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:53
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/0004; G01N33/0009; G01N33/0011; G01N30/00; G01N30/02; G01N30/04; G01N30/06; G01N30/24; G01N33/0078; G01N33/0081; G01N1/00; G01N1/02; G01N1/22; G01N1/2226; G01N2001/2229; Y; Y10; Y10T; Y10T436/00; Y10T436/20; Y10T436/204998; Y10T436/207497; Y10T436/209163; Y10T436/25; Y10T436/25875
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
APPARATUS FOR SAMPLING GAS PRESENT IN THE HEADSPACE OF A CLOSED CONTAINER COMPRISING MEANS FOR PIERCING THE CONTAINER TO ESTABLISH COMMUNICATION WITH THE HEADSPACE THEREOF, A CYLINDER, A PISTON MOVABLE IN SAID CYLINDER, A CONDUIT CONNECTING SAID PIERCING MEANS WITH SAID CYLINDER ON ONE SIDE OF SAID PISTON, A VALVE OPERABLE FOR OPENING AND CLOSING SAID CONNECTION, MEANS FOR ADMITTING PURGING GAS TO THE CYLINDER DURING MOVEMENT OF THE PISTON AWAY FROM SAID CONDUIT TO A FIRST POSITION AND WHILE SAID VALVE IS CLOSED, MEANS FOR MOVING THE PISTON FROM SAID FIRST POSITION TOWARDS SAID CONDUIT TO A SECOND POSITION, MEANS FOR OPENING SAID VALVE DURING SAID MOVEMENT OF THE PISTON FROM THE FIRST TO SECOND POSITIONS TO THEREBY EXPEL THE PURGING GAS FROM THE CYLINDER VIA SAID PIERCING MEANS, MEANS FOR CAUSING RELATIVE MOVEMENT OF SAID CONTAINER AND PIERVING MEANS TO EFFECT SAID PIERCING AND MEANS CONTROLLING SAID PISTON MOVING MEANS FOR EFFECTIVE RECIPROCATION OF THE PISTON A SECOND TIME FOR ADMITTING THE HEADSPACE GAS VIA SAID PIERCING MEANS INTO THE CYLINDER AND FOR EXPELLING IT FROM THE CYLINDER TO A SAMPLE RECEIVER.
Claim 2
Dependent Claim
184 words
APPARATUS FOR SAMPLING GAS PRESENT IN THE HEADSPACE OF A CLOSED CONTAINER COMPRISING MEANS FOR PIERCING THE CONTAINER TO ESTABLISH COMMUNICATION WITH THE HEADSPACE THEREOF, A CYLINDER, A PISTON MOVABLE IN SAID CYLINDER, A CONDUIT CONNECTING SAID PIERCING MEANS WITH SAID CYLINDER ON ONE SIDE OF SAID PISTON, A VALVE OPERABLE FOR OPENING AND CLOSING SAID CONNECTION, MEANS FOR ADMITTING PURGING GAS TO THE CYLINDER DURING MOVEMENT OF THE PISTON AWAY FROM SAID CONDUIT TO A FIRST POSITION AND WHILE SAID VALVE IS CLOSED, MEANS FOR MOVING THE PISTON FROM SAID FIRST POSITION TOWARDS SAID CONDUIT TO A SECOND POSITION, MEANS FOR OPENING SAID VALVE DURING SAID MOVEMENT OF THE PISTON FROM THE FIRST TO SECOND POSITIONS TO THEREBY EXPEL THE PURGING GAS FROM THE CYLINDER VIA SAID PIERCING MEANS, MEANS FOR CAUSING RELATIVE MOVEMENT OF SAID CONTAINER AND PIERVING MEANS TO EFFECT SAID PIERCING AND MEANS CONTROLLING SAID PISTON MOVING MEANS FOR EFFECTIVE RECIPROCATION OF THE PISTON A SECOND TIME FOR ADMITTING THE HEADSPACE GAS VIA SAID PIERCING MEANS INTO THE CYLINDER AND FOR EXPELLING IT FROM THE CYLINDER TO A SAMPLE RECEIVER.
References Cited (Backward Citations)
US2786355A
Cited
US3032953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |