US3184833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making vanes for hydraulic couplings
Assignee: Borg Warner Corp
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Filing: 1961-01-10
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Granted: 1965-05-25
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Expires: 1981-01-10
Abstract
No abstract record available.
Inventors
- 👤 Reinhold C Zeidler
- 👤 William A Barnes
- 👤 Daniel W Lysett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:49
CPC Classifications
F; F16; F16D; F16D57/00; F16D57/005; B; B21; B21D; B21D53/00; B21D53/78; F16D57/04; F16H; F16H41/00; F16H41/24; F16H41/28; F16H2041/246; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF MAKING A LIQUID FLOW-CONTROLLING VANE COMPRISING THE STEPS OF PROVIDING A FLAT SHEET OF THIN METAL HAVING SUBSTANTIALLY UNIFORM THICKNESS; STAMPING THE SHEET WITH A DIE TO PROVIDE A VANE HAVING LIQUID ENTRANCE AND EXIT PORTIONS WITH TWO SPACED STRAIGHT EDGES; AND COINING SAID PORTIONS OF THE VANE TO PROVIDE SURFACES ON SAID PORTIONS INCLINED AT AN ANGLE TO THE PLANE OF THE VANE AND TERMINATING AT SAID EDGES THEREOF; AND BENDING SAID VANE TO A PREDETERMINED DESIRED CURVATURE.
Claim 2
Independent Claim
82 words
THE METHOD OF MAKING A LIQUID FLOW-CONTROLLING VANE COMPRISING THE STEPS OF PROVIDING A FLAT SHEET OF THIN METAL HAVING SUBSTANTIALLY UNIFORM THICKNESS; STAMPING THE SHEET WITH A DIE TO PROVIDE A VANE HAVING LIQUID ENTRANCE AND EXIT PORTIONS WITH TWO SPACED STRAIGHT EDGES; AND COINING SAID PORTIONS OF THE VANE TO PROVIDE SURFACES ON SAID PORTIONS INCLINED AT AN ANGLE TO THE PLANE OF THE VANE AND TERMINATING AT SAID EDGES THEREOF; AND BENDING SAID VANE TO A PREDETERMINED DESIRED CURVATURE.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |