US3144079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shelf structure including a conduit
Assignee: Reynolds Metals Co
•
Filing: 1960-03-23
•
Granted: 1964-08-11
•
Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Grant V Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:17
CPC Classifications
F; F25; F25D; F25D25/00; F25D25/02; F25D25/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
IN COMBINATION: AN ENCLOSING STRUCTURE HAVING OPPOSED VERTICAL WALLS RESPECTIVELY CARRYING INWARDLY DIRECTED AND ALIGNED SUPPORTS; A FLAT SHEET HAVING LINEAR RIB MEANS HOMOGENEOUS WITH SAID SHEET AND HAVING WIDTH MEANS EXTENDING TRANSVERSELY TO SAID SHEET; AND A HEAT EXCHANGER TUBE SECURED TO SAID SHEET BY SAID RIB MEANS, SAID RIB MEANS HAVING A DEPTH GREATER THAN THE DEPTH OF SAID HEAT EXCHANGER TUBE, SAID SHEET HAVING ONLY SAID RIB MEANS RESTING ON SAID SUPPORTS TO CAUSE SAID SHEET TO PROVIDE A SHELF IN SAID ENCLOSING STRUCTURE WITH SAID RIB MEANS ACTING AS A BEAM BETWEEN SAID SUPPORTS TO REINFORCE SAID SHELF FROM SAGGING.
Claim 2
Dependent Claim
104 words
IN COMBINATION: AN ENCLOSING STRUCTURE HAVING OPPOSED VERTICAL WALLS RESPECTIVELY CARRYING INWARDLY DIRECTED AND ALIGNED SUPPORTS; A FLAT SHEET HAVING LINEAR RIB MEANS HOMOGENEOUS WITH SAID SHEET AND HAVING WIDTH MEANS EXTENDING TRANSVERSELY TO SAID SHEET; AND A HEAT EXCHANGER TUBE SECURED TO SAID SHEET BY SAID RIB MEANS, SAID RIB MEANS HAVING A DEPTH GREATER THAN THE DEPTH OF SAID HEAT EXCHANGER TUBE, SAID SHEET HAVING ONLY SAID RIB MEANS RESTING ON SAID SUPPORTS TO CAUSE SAID SHEET TO PROVIDE A SHELF IN SAID ENCLOSING STRUCTURE WITH SAID RIB MEANS ACTING AS A BEAM BETWEEN SAID SUPPORTS TO REINFORCE SAID SHELF FROM SAGGING.
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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) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |