US3392220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation of cylindrical vessels
Assignee: Olin Corp
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Filing: 1965-12-27
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Granted: 1968-07-09
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Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Roger G Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:49
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; B; B61; B61D; B61D5/00; B61D5/04; E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/762; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0119; F17C2201/03; F17C2201/032; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0329; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/0646; F17C2209/00; F17C2209/23; F17C2209/238; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2260/00; F17C2260/01; F17C2260/017; F17C2260/03; F17C2260/031; F17C2260/033; F17C2260/05; F17C2260/053; Y; Y10; Y10S; Y10S220/00; Y10S220/901; Y10S220/902; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49867
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
91 words
A METHOD OF APPLYING INSULATION TO CYLINDRICAL TANKS HAVING AN AXIS, COMPRISING THE STEPS OF PLACING A SERIES OF CYLINDRICAL SPACER-ROLLERS AROUND THE PERIPHERY OF A SAID TANK IN REGULAR INTERVALS AND PARALLEL TO THE AXIS OF THE TANK, ENCIRCLING SAID TANK AND SPACER ROLLERS WITH A SHEET OF JACKETING HAVING FREE ENDS, TIGHTENING SAID ENDS TOGETHER AND TENSING THE SHEET, SAID SPACER-ROLLERS THEN ROLLING TO ENABLE TRANSMISSION OF THE TENSION ALL AROUND THE SHEET, FOAMING-IN-PLACE A CELLULAR PLASTIC IN THE CAVITIES BOUNDED BY SAID TANK, SAID SHEET, AND SAID SPACERROLLERS.
Claim 2
Independent Claim
91 words
A METHOD OF APPLYING INSULATION TO CYLINDRICAL TANKS HAVING AN AXIS, COMPRISING THE STEPS OF PLACING A SERIES OF CYLINDRICAL SPACER-ROLLERS AROUND THE PERIPHERY OF A SAID TANK IN REGULAR INTERVALS AND PARALLEL TO THE AXIS OF THE TANK, ENCIRCLING SAID TANK AND SPACER ROLLERS WITH A SHEET OF JACKETING HAVING FREE ENDS, TIGHTENING SAID ENDS TOGETHER AND TENSING THE SHEET, SAID SPACER-ROLLERS THEN ROLLING TO ENABLE TRANSMISSION OF THE TENSION ALL AROUND THE SHEET, FOAMING-IN-PLACE A CELLULAR PLASTIC IN THE CAVITIES BOUNDED BY SAID TANK, SAID SHEET, AND SAID SPACERROLLERS.
Claim 3
Independent Claim
54 words
A METHOD OF APPLYING INSULATION TO CYLINDRICAL TANKS HAVING AN AXIS, COMPRISING THE STEPS OF LIGHTLY ADHERING A SERIES OF CYLINDRICAL SPACER-ROLLERS AROUND THE PERIPHERY OF A SAID TANK IN REGULAR INTERVALS AND PARALLEL TO THE AXIS OF THE TANK, ENCIRCLING SAID TANK AND SPACER ROLLERS WITH A SHEET OF JACKETING HAVING FREE ENDS,
Claim 4
Independent Claim
54 words
A METHOD OF APPLYING INSULATION TO CYLINDRICAL TANKS HAVING AN AXIS, COMPRISING THE STEPS OF LIGHTLY ADHERING A SERIES OF CYLINDRICAL SPACER-ROLLERS AROUND THE PERIPHERY OF A SAID TANK IN REGULAR INTERVALS AND PARALLEL TO THE AXIS OF THE TANK, ENCIRCLING SAID TANK AND SPACER ROLLERS WITH A SHEET OF JACKETING HAVING FREE ENDS,
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |