US3334667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquified gas filler
Assignee: Almac Cryogenics Inc
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Filing: 1964-05-01
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Granted: 1967-08-08
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Expires: 1984-05-01
Abstract
No abstract record available.
Inventors
- 👤 Albert V Hedstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:28
CPC Classifications
F; F17; F17C; F17C6/00; F17C2201/00; F17C2201/01; F17C2201/0128; F17C2203/00; F17C2203/03; F17C2205/00; F17C2205/01; F17C2205/0153; F17C2205/018; F17C2205/03; F17C2205/0302; F17C2205/0305; F17C2205/0323; F17C2209/00; F17C2209/23; F17C2209/234; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/04; F17C2223/042; F17C2223/043; F17C2223/045; F17C2223/046; F17C2223/047; F17C2250/00; F17C2250/06; F17C2250/0605; F17C2250/061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
257 words
A DEVICE FOR FILLING LIQUIFIED GAS BOTTLES, SAID DEVICE COMPRISING: (A) A COLLAR DEFINED BY A SUBSTANTIALLY ANNULAR SECTION HAVING AN OPENING THERETHROUGH, SAID COLLAR BEING ADAPTED TO BE RECEIVED ON THE OPEN NECK OF A BOTTLE TO BE FILLED WITH ONE SIDE OF SAID ANNULAR SECTION RESTING ON THE PERIPHERY OF SAID NECK; (B) A VALVE ELEMENT POSITIONED ABOVE SAID OPENING AND PROPORTIONED RELATIVE THERETO SO AS TO REST ON SAID COLLAR AND RESTRICT THE AREA OF SAID OPENING, SAID VALVE ELEMENT: (1) HAVING A SUBSTANTIALLY RIGID FLANGE WHICH HAS AN INLET APERTURE EXTENDING THERETHROUGH BETWEEN THE UPPER AND LOWER PORTIONS THEREOF AND MEANS TO SECURE A FLUID CHARGING CONDUIT IN COMMUNICATION WITH THE UPPER PORTION OF SAID APERTURE; AND, (2) BEING ADAPTED, RESPONSIVE TO DIFFERENTIALS IN FLUID PRESSURE THEREACROSS, TO MOVE UP AND DOWN RELATIVE TO SAID COLLAR TO VARY THE UNRESTRICTED AREA OF SAID OPENING; (C) A TUBE HAVING ONE END SECURED TO SAID VALVE ELEMENT IN FLUID COMMUNICATION WITH THE LOWER PORTION OF SAID APERTURE AND THE OTHER END EXTENDING LOOSELY THROUGH SAID OPENING WITH SAID TUBE RIGIDLY CONNECTED TO SAID VALVE ELEMENT AND MOVABLY MOUNTED IN SAID OPENING WHEREBY THE WEIGHT OF SAID TUBE URGES SAID VALVE ELEMENT INTO ENGAGEMENT WITH SAID COLLAR; AND, (D) A BARREL FIXED TO THE OTHER END OF SAID TUBE AND HAVING ONE END IN FLUID COMMUNICATION WITH SAID TUBE AND THE OTHER END OPEN AND DISPOSED AT A LEVEL WHICH WILL BE ABOVE THE NORMAL LIQUID LEVEL IN A BOTTLE ON WHICH SAID COLLAR IS RECEIVED.
Claim 2
Independent Claim
257 words
A DEVICE FOR FILLING LIQUIFIED GAS BOTTLES, SAID DEVICE COMPRISING: (A) A COLLAR DEFINED BY A SUBSTANTIALLY ANNULAR SECTION HAVING AN OPENING THERETHROUGH, SAID COLLAR BEING ADAPTED TO BE RECEIVED ON THE OPEN NECK OF A BOTTLE TO BE FILLED WITH ONE SIDE OF SAID ANNULAR SECTION RESTING ON THE PERIPHERY OF SAID NECK; (B) A VALVE ELEMENT POSITIONED ABOVE SAID OPENING AND PROPORTIONED RELATIVE THERETO SO AS TO REST ON SAID COLLAR AND RESTRICT THE AREA OF SAID OPENING, SAID VALVE ELEMENT: (1) HAVING A SUBSTANTIALLY RIGID FLANGE WHICH HAS AN INLET APERTURE EXTENDING THERETHROUGH BETWEEN THE UPPER AND LOWER PORTIONS THEREOF AND MEANS TO SECURE A FLUID CHARGING CONDUIT IN COMMUNICATION WITH THE UPPER PORTION OF SAID APERTURE; AND, (2) BEING ADAPTED, RESPONSIVE TO DIFFERENTIALS IN FLUID PRESSURE THEREACROSS, TO MOVE UP AND DOWN RELATIVE TO SAID COLLAR TO VARY THE UNRESTRICTED AREA OF SAID OPENING; (C) A TUBE HAVING ONE END SECURED TO SAID VALVE ELEMENT IN FLUID COMMUNICATION WITH THE LOWER PORTION OF SAID APERTURE AND THE OTHER END EXTENDING LOOSELY THROUGH SAID OPENING WITH SAID TUBE RIGIDLY CONNECTED TO SAID VALVE ELEMENT AND MOVABLY MOUNTED IN SAID OPENING WHEREBY THE WEIGHT OF SAID TUBE URGES SAID VALVE ELEMENT INTO ENGAGEMENT WITH SAID COLLAR; AND, (D) A BARREL FIXED TO THE OTHER END OF SAID TUBE AND HAVING ONE END IN FLUID COMMUNICATION WITH SAID TUBE AND THE OTHER END OPEN AND DISPOSED AT A LEVEL WHICH WILL BE ABOVE THE NORMAL LIQUID LEVEL IN A BOTTLE ON WHICH SAID COLLAR IS RECEIVED.
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |