US3364550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing wheel rims
Assignee: ZF Active Safety US Inc
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Filing: 1965-09-02
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Granted: 1968-01-23
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Expires: 1985-09-02
Abstract
No abstract record available.
Inventors
- 👤 Jack C Jessee
- 👤 Jordan L Bullard
- 👤 Marvay George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:31
CPC Classifications
G; G21; G21D; G21D3/00; G21D3/08; B; B21; B21D; B21D53/00; B21D53/26; B21D53/30; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49481; Y10T29/49492; Y10T29/49524; Y10T29/49531
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE METHOD OF FORMING A TIRE RIM FROM A RELATIVELY THIN WALLED CYLINDRICAL ANNULAR WORKPIECE, COMPRISING THE STEPS OF OUTWARDLY FLARING THE OPPOSITE END PORTIONS OF THE WORKPIECE, REDUCING THE DIAMETER OF THE CENTER PORTION OF THE WORKPIECE BETWEEN SAID END PORTIONS AND FORMING AT LEAST ONE RADIALLY OUTWARDLY EXTENDING ANNULAR RIB AT AN INTERMEDIATE AREA ON SAID CENTER PORTION SIDE WALLS AT EITHER SIDE OF SAID CENTER PORTION, AND CURVING SAID CENTER PORTION RADIALLY INWARDLY FROM SAID SIDE WALLS WHILE REDUCING THE THICKNESS OF SAID CENTER PORTION AT SAID INTERMEDIATE AREA AND CAUSING MATERIAL TO FLOW TOWARD THE JUNCTURES BETWEEN SAID CENTER PORTION AND SAID SIDE WALLS.
Claim 2
Independent Claim
108 words
THE METHOD OF FORMING A TIRE RIM FROM A RELATIVELY THIN WALLED CYLINDRICAL ANNULAR WORKPIECE, COMPRISING THE STEPS OF OUTWARDLY FLARING THE OPPOSITE END PORTIONS OF THE WORKPIECE, REDUCING THE DIAMETER OF THE CENTER PORTION OF THE WORKPIECE BETWEEN SAID END PORTIONS AND FORMING AT LEAST ONE RADIALLY OUTWARDLY EXTENDING ANNULAR RIB AT AN INTERMEDIATE AREA ON SAID CENTER PORTION SIDE WALLS AT EITHER SIDE OF SAID CENTER PORTION, AND CURVING SAID CENTER PORTION RADIALLY INWARDLY FROM SAID SIDE WALLS WHILE REDUCING THE THICKNESS OF SAID CENTER PORTION AT SAID INTERMEDIATE AREA AND CAUSING MATERIAL TO FLOW TOWARD THE JUNCTURES BETWEEN SAID CENTER PORTION AND SAID SIDE WALLS.
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |