US3572153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible mechanical transmission cables
Assignee: Teleflex Ltd
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Filing: 1969-07-17
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Granted: 1971-03-23
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Expires: 1989-07-17
Abstract
Abstract IN A FLEXIBLE MECHANICAL TRANSMISSION CABLE OF THE TYPE HAVING A MULTI-WIRE CORE AND A DRIVE WIRE APPLIED IN AN OPEN HELIX AROUND THE CORE, THE CROSS-SECTION OF THE DRIVE WIRE, WHICH HAS HITHERTO BEEN CIRCULAR, IS NOW MADE OF NEAR INVOLUTE FORM. THE BASE OF THIS NEAR INVOLUTE CROSSSECTION, WHICH IS CONTIGUOUS WITH THE CABLE CORE, IS FORMED WITH A CONCAVITY OR CONVEXITY SUCH AS TO CAUSE ONE OR MORE PORTIONS OF SAID BASE TO BED INTO THE CORE AND THEREBY ENHANCE THE GRIP BETWEEN THE DRIVE WIRE AND THE CORE UNDER LOAD.
Inventors
- 👤 Ernest Baker Dove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:12
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/10; F16C1/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49462; Y10T29/49465; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1967; Y10T74/19949; Y10T74/19953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-22 | 1974-09-21 | 1975-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-22 | 1978-09-21 | 1979-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-22 | 1982-09-21 | 1983-03-23 | $7700.00 | Window Closed / Lapsed |