US3323541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for gas cylinders
Assignee: Tesco Chemicals Inc
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Filing: 1963-04-03
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Granted: 1967-06-06
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Expires: 1983-04-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Thomas E Schneider
- 👤 Guy T Jones
- 👤 John W Girvan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:18
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/12; F17C13/123; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0308; F17C2205/0311; F17C2205/0317; F17C2205/0323; F17C2205/0329; F17C2205/0388; F17C2205/0394; F17C2221/00; F17C2221/03; F17C2221/037; F17C2223/00; F17C2223/01; F17C2223/0107; F17C2223/0123; F17C2260/00; F17C2260/03; F17C2260/035; F17C2260/036; F17C2260/037; F17C2260/038; Y; Y10; Y10T; Y10T137/00; Y10T137/5762; Y10T137/6851; Y10T137/7043; Y10T137/7062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A SAFETY DEVICE FOR A GAS CYLINDER OF THE TYPE PROVIDING AN EXTERNALLY THREADED NUB SUPPORTING A GAS DISCHARGE VALVE AND A SURROUNDING AREA BEYOND SAID NUB, INCLUDING, AN INTERNAL ANCHOR CHAMBER, INTERNAL THREADS FORMED ON SAID ANCHOR CHAMBER FOR THREADEDLY ENGAGING THE EXTERNAL THREADS OF SAID NUB TO SECURE SAID ANCHOR CHAMBER TO SAID NUB, AN EXTERNAL SEALING CHAMBER ENCLOSING SAID INTERNAL ANCHOR CHAMBER, SAID EXTERNAL SEALING CHAMBER DEFINING AN OPEN END EDGE SEALINGLY ENGAGEABLE IN ABUTTING RELATIONSHIP WITH SAID SURROUNDING AREA OF SAID CYLINDER BEYOND SAID NUB, AND A THREADEDLY ADJUSTABLE IN-
Claim 2
Dependent Claim
94 words
A SAFETY DEVICE FOR A GAS CYLINDER OF THE TYPE PROVIDING AN EXTERNALLY THREADED NUB SUPPORTING A GAS DISCHARGE VALVE AND A SURROUNDING AREA BEYOND SAID NUB, INCLUDING, AN INTERNAL ANCHOR CHAMBER, INTERNAL THREADS FORMED ON SAID ANCHOR CHAMBER FOR THREADEDLY ENGAGING THE EXTERNAL THREADS OF SAID NUB TO SECURE SAID ANCHOR CHAMBER TO SAID NUB, AN EXTERNAL SEALING CHAMBER ENCLOSING SAID INTERNAL ANCHOR CHAMBER, SAID EXTERNAL SEALING CHAMBER DEFINING AN OPEN END EDGE SEALINGLY ENGAGEABLE IN ABUTTING RELATIONSHIP WITH SAID SURROUNDING AREA OF SAID CYLINDER BEYOND SAID NUB, AND A THREADEDLY ADJUSTABLE IN-
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |