US3125800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing and replacing heat
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 00:12
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/02; B23P19/022; B23P19/024; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53113; Y10T29/53678; Y10T29/53683; Y10T29/53796
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A DEVICE FOR EXERTING A PUSHING FORCE ON THE CIRCULAR RIM OF A HEAT EXCHANGER TUBE ASSEMBLY, WHEREBY TO MOVER THE TUBE ASSEMBLY RELATIVE TO ITS SHELL COMPRISING A PAIR OF SUBSTANTIALLY ALIGNED PLATE MEMBERS, LUG MEANS ON SAID PLATE MEMBERS ENGAGEABLE WITH DIAMETRICALLY OPPOSITE PORTIONS OF THE CIRCULAR RIM OF A HEAT EXCHANGER TUBE ASSEMBLY, MEANS TO EXERT INWARD PULLING FORCE ON THE PLATE MEMBERS, WHEREBY TO CLAMP SAME TO THE RIM, RESPECTIVE CABLE SHEAVES JOURNALED ON SAID PLATE MEMBERS IN ALIGNMENT WITH EACH OTHER, AND A CABLE ENGAGING SAID SHEAVES AND ADAPTED TO BE SECURED AT ONE END TO A PORTION OF THE HEAT EXCHANGER SHELL AND ADAPTED TO BE CONNECTED AT ITS OTHER END TO MEANS FOR DEVELOPING TENSION IN SAID CABLE AND FOR TRANSMITTING SAID TENSION TO SAID SHEAVES TO PRODUCE A PUSHING FORCE ON THE TUBE ASSEMBLY RIM.
Claim 2
Independent Claim
143 words
A DEVICE FOR EXERTING A PUSHING FORCE ON THE CIRCULAR RIM OF A HEAT EXCHANGER TUBE ASSEMBLY, WHEREBY TO MOVER THE TUBE ASSEMBLY RELATIVE TO ITS SHELL COMPRISING A PAIR OF SUBSTANTIALLY ALIGNED PLATE MEMBERS, LUG MEANS ON SAID PLATE MEMBERS ENGAGEABLE WITH DIAMETRICALLY OPPOSITE PORTIONS OF THE CIRCULAR RIM OF A HEAT EXCHANGER TUBE ASSEMBLY, MEANS TO EXERT INWARD PULLING FORCE ON THE PLATE MEMBERS, WHEREBY TO CLAMP SAME TO THE RIM, RESPECTIVE CABLE SHEAVES JOURNALED ON SAID PLATE MEMBERS IN ALIGNMENT WITH EACH OTHER, AND A CABLE ENGAGING SAID SHEAVES AND ADAPTED TO BE SECURED AT ONE END TO A PORTION OF THE HEAT EXCHANGER SHELL AND ADAPTED TO BE CONNECTED AT ITS OTHER END TO MEANS FOR DEVELOPING TENSION IN SAID CABLE AND FOR TRANSMITTING SAID TENSION TO SAID SHEAVES TO PRODUCE A PUSHING FORCE ON THE TUBE ASSEMBLY RIM.
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |