US3564861A
Expired / Lapsed
US
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Method and apparatus for controlling volatile material supply as a gas
Assignee: HW Andersen Products Inc
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Filing: 1969-09-15
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Granted: 1971-02-23
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Expires: 1989-09-15
Abstract
Abstract THE METHOD AND APPARATUS FOR CONTROLLING THE DELIVERY FROM A SOURCE OF SUPPLY TO A PACKAGE OR CONTAINER OF ACCURATELY MEASURED QUANTITIES OF VOLATILE MATERIALS, SUPPLIED AS LIQUIDS AND DEVIVERED AS GASES, WHEREIN THE TEMPERATURE AND PRESSURE OF THE MATERIALS ARE AUTOMATICALLY STABILITIZED CLOSE TO THE POINT OF DELIVERY AS A FUNCTION OF HEAT EXCHANGE OPERATIONS ON THE MATEIALS IN THEIR LIQUID PHASE.
Inventors
- 👤 Harold Willids Andersen
- 👤 Harold W Andersen
- 👤 Charles H Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:48
CPC Classifications
F; F17; F17C; F17C9/00; F17C9/02; B; B65; B65B; B65B55/00; B65B55/02; B65B55/12; B65B55/18; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0326; F17C2205/0352; F17C2223/00; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2227/04; F17C2250/00; F17C2250/04; F17C2250/0404; F17C2250/0443; F17C2250/06; F17C2250/0605; F17C2250/0636
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |