US3318376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat transfer fluid conduit wrapping for vessels
Assignee: Individual
•
Filing: 1966-04-13
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Granted: 1967-05-09
•
Expires: 1986-04-13
Abstract
No abstract record available.
Inventors
- 👤 Vihl Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:46
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/22; B21C37/26; B01; B01J; B01J19/00; B01J19/0006; B01J19/0013; B21D; B21D53/00; B21D53/02; F; F28; F28D; F28D1/00; F28D1/06; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/00074; B01J2219/00087; B01J2219/0009; B01J2219/19; B01J2219/192; B01J2219/1923; B01J2219/194; B01J2219/1941; B01J2219/1943; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49826; Y10T29/49879
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A HEAT TRANSFER FLUID CONDUIT WRAPPING FOR VESSELS ADAPTED FOR ATTACHMENT TO A SURFACE OF A VESSEL BY WELDING, THE TRANSVERSE CROSS-SECTION OF THE WRAPPING BEING IN THE FORM OF A TROUGH HAVING A ROUNDED CENTRAL PORTION AND OUTWARDLY CURVED FLARING EDGE PORTIONS, AND THE RADIUS OF CURVATURE OF EACH OF SAID EDGE PORTIONS BEING ABOUT ONE THIRD OF THE RADIUS OF CURVATURE OF SAID CENRAL PORTION.
Claim 2
Dependent Claim
67 words
A HEAT TRANSFER FLUID CONDUIT WRAPPING FOR VESSELS ADAPTED FOR ATTACHMENT TO A SURFACE OF A VESSEL BY WELDING, THE TRANSVERSE CROSS-SECTION OF THE WRAPPING BEING IN THE FORM OF A TROUGH HAVING A ROUNDED CENTRAL PORTION AND OUTWARDLY CURVED FLARING EDGE PORTIONS, AND THE RADIUS OF CURVATURE OF EACH OF SAID EDGE PORTIONS BEING ABOUT ONE THIRD OF THE RADIUS OF CURVATURE OF SAID CENRAL PORTION.
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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) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |