Patent US1278650A successfully refreshed from Google Patents.
US3270905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure container
Assignee: EG&G Sealol Inc
•
Filing: 1962-12-12
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Granted: 1966-09-06
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Expires: 1982-12-12
Abstract
No abstract record available.
Inventors
- 👤 Kroekel Rolf Heinz Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:42
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/16; B65D88/18; B21; B21D; B21D51/00; B21D51/16; B21D51/24; F; F17; F17C; F17C1/00; F17C2201/00; F17C2201/01; F17C2201/0133; F17C2201/0147; F17C2201/0166; F17C2201/0171; F17C2201/0176; F17C2201/0195; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0604; F17C2203/0612; F17C2203/0614; F17C2203/0617; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/068; F17C2203/0685; F17C2205/00; F17C2205/03; F17C2205/0388; F17C2205/0394; F17C2205/0397; F17C2209/00; F17C2209/22; F17C2209/221; F17C2209/228; F17C2209/23; F17C2223/00; F17C2223/03; F17C2223/036; F17C2260/00; F17C2260/01; F17C2260/012; F17C2260/018; F17C2270/00; F17C2270/01; F17C2270/0186; F17C2270/0189; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A SUBSTANTIALLY INEXTENSIBLE SHEET METAL PRESSURE CONTAINER OF TUBULAR CROSS SECTION HAVING A PLAITED OUTERSURFACE CONFIGURATION WITH A PLURALITY OF PERIPHERALLY EXTENDING CREASES ALTERNATELY POINTING INWARD AND OUTWARD WITH RADIALLY EXTENDING OUTWARDLY BOWED SURFACE THEREBETWEEN, SAID CONTAINER BEING WELDED ALONG EACH OF SAID CREASES TO SECURE TOGETHER THE EDGES OF ADJACENT SURFACES AT SAID CREASES THEREBY ESTABLISHING PRESSURE RESISTANT SEAMS, SAID SEAMS HAVING A STRESS IN TENSION IN A DIRECTION GENERALLY PARALLEL TO THE LONGITUDINAL AXIS OF THE SHEET METAL PRESSURE CONTAINER SUBSTANTIALLY BEYOND ITS YIELD POINT BUT LESS THAN ITS BREAKING POINT BY SUBJECTING THE SHEET METAL PRESSURE CONTAINER TO A PRESSURE HIGHER THAN ITS OPERATING PRESSURE.
Claim 2
Dependent Claim
108 words
A SUBSTANTIALLY INEXTENSIBLE SHEET METAL PRESSURE CONTAINER OF TUBULAR CROSS SECTION HAVING A PLAITED OUTERSURFACE CONFIGURATION WITH A PLURALITY OF PERIPHERALLY EXTENDING CREASES ALTERNATELY POINTING INWARD AND OUTWARD WITH RADIALLY EXTENDING OUTWARDLY BOWED SURFACE THEREBETWEEN, SAID CONTAINER BEING WELDED ALONG EACH OF SAID CREASES TO SECURE TOGETHER THE EDGES OF ADJACENT SURFACES AT SAID CREASES THEREBY ESTABLISHING PRESSURE RESISTANT SEAMS, SAID SEAMS HAVING A STRESS IN TENSION IN A DIRECTION GENERALLY PARALLEL TO THE LONGITUDINAL AXIS OF THE SHEET METAL PRESSURE CONTAINER SUBSTANTIALLY BEYOND ITS YIELD POINT BUT LESS THAN ITS BREAKING POINT BY SUBJECTING THE SHEET METAL PRESSURE CONTAINER TO A PRESSURE HIGHER THAN ITS OPERATING PRESSURE.
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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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |