US2940883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for hot prestressing armored cable
Assignee: United States Steel Corp
•
Filing: 1956-05-01
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Granted: 1960-06-14
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Expires: 1976-05-01
Abstract
No abstract record available.
Inventors
- 👤 Walter T Peirce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:59
CPC Classifications
H; H01; H01B; H01B13/00; H01B13/0016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
APPARATUS FOR HOT PRESTRESSING ARMORED CABLE COMPRISING A FIRST REEL FOR SUPPORTING THE CABLE TO BE TREATED, A SECOND REEL FOR RECEIVING THE TREATED CABLE, A SERIES OF FIXED SHEAVES AROUND WHICH THE CABLE PASSES FROM THE FIRST TO THE SECOND REEL, A PAIR OF BRAKING SHEAVES BETWEEN THE FIRST REEL AND THE SERIES OF SHEAVES AROUND WHICH THE CABLE PASSES, A PAIR OF PULLING SHEAVES BETWEEN THE SECOND REEL AND THE SERIES OF SHEAVES AROUND WHICH THE CABLE PASSES, SAID SERIES OF SHEAVES INCLUDING A MOVABLE SHEAVE, MEANS FOR APPLYING A BACK TENSION TO SAID BRAKING SHEAVES, MEANS FOR DRIVING SAID PULLING SHEAVES, MEANS FOR DRIVING SAID SECOND REEL, AN HYDRAULIC CYLINDER CONNECTED TO MOVE SAID MOVABLE SHEAVE TOWARD AND AWAY FROM THE OTHER SHEAVES IN SAID SERIES SO AS TO VARY THE LENGTH OF THE PATH OF TRAVEL BETWEEN SAID BRAKING AND PULLING SHEAVES, AND MEANS FOR APPLYING HEAT TO SAID CABLE BETWEEN AT LEAST TWO OF SAID SHEAVES.
Claim 2
Dependent Claim
161 words
APPARATUS FOR HOT PRESTRESSING ARMORED CABLE COMPRISING A FIRST REEL FOR SUPPORTING THE CABLE TO BE TREATED, A SECOND REEL FOR RECEIVING THE TREATED CABLE, A SERIES OF FIXED SHEAVES AROUND WHICH THE CABLE PASSES FROM THE FIRST TO THE SECOND REEL, A PAIR OF BRAKING SHEAVES BETWEEN THE FIRST REEL AND THE SERIES OF SHEAVES AROUND WHICH THE CABLE PASSES, A PAIR OF PULLING SHEAVES BETWEEN THE SECOND REEL AND THE SERIES OF SHEAVES AROUND WHICH THE CABLE PASSES, SAID SERIES OF SHEAVES INCLUDING A MOVABLE SHEAVE, MEANS FOR APPLYING A BACK TENSION TO SAID BRAKING SHEAVES, MEANS FOR DRIVING SAID PULLING SHEAVES, MEANS FOR DRIVING SAID SECOND REEL, AN HYDRAULIC CYLINDER CONNECTED TO MOVE SAID MOVABLE SHEAVE TOWARD AND AWAY FROM THE OTHER SHEAVES IN SAID SERIES SO AS TO VARY THE LENGTH OF THE PATH OF TRAVEL BETWEEN SAID BRAKING AND PULLING SHEAVES, AND MEANS FOR APPLYING HEAT TO SAID CABLE BETWEEN AT LEAST TWO OF SAID SHEAVES.
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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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |