US3212941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a bumper
Assignee: Reynolds Metals Co
•
Filing: 1960-10-26
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Granted: 1965-10-19
•
Expires: 1980-10-26
Abstract
No abstract record available.
Inventors
- 👤 Paul R O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:35
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/04; C22F1/05; B; B21; B21D; B21D7/00; B21D7/02; B21D7/024; B21D7/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A METHOD OF CONSTRUCTING AN AUTOMOTIVE VEHICLE BUMPER OF THE TYPE WHICH IS SUBJECTED TO SEVERE IMPACTS IN AN OUTERMOST IMPACT ZONE, WHICH METHOD COMPRISES: PRODUCING AN OPEN CHANNEL SHAPED EXTRUDED BLANK OF CROSS SECTIONAL IRREGULAR THICKNESS AND LONGITUDINAL UNIFORMITY AND WITH A LONGITUDINALLY UNIFORM IMPACT ZONE OF EXTRA CROSS SECTIONAL THICKNESS AND MADE OF A HEAT TREATABLE ALUMINUM AGE HARDENABLE ALLOY AND OF A LENGTH SUITABLE TO FORM AN AUTOMOTIVE VEHICLE BUMPER; HEATING SAID BLANK TO A DRAWING AND HEAT TREATING TEMPERATURE; DRAWING SAID BLANK WHILE IN HEATED CONDITION INTO A BUMPER FORM SUITABLE FOR USE AS AN AUTOMOTIVE VEHICLE BUMPER WITH THE OPEN PORTION OF SAID OPEN CHANNEL DIRECTED TOWARD SAID VEHICLE; AND QUENCHING AND AGING SAID BUMPER.
Claim 2
Independent Claim
120 words
A METHOD OF CONSTRUCTING AN AUTOMOTIVE VEHICLE BUMPER OF THE TYPE WHICH IS SUBJECTED TO SEVERE IMPACTS IN AN OUTERMOST IMPACT ZONE, WHICH METHOD COMPRISES: PRODUCING AN OPEN CHANNEL SHAPED EXTRUDED BLANK OF CROSS SECTIONAL IRREGULAR THICKNESS AND LONGITUDINAL UNIFORMITY AND WITH A LONGITUDINALLY UNIFORM IMPACT ZONE OF EXTRA CROSS SECTIONAL THICKNESS AND MADE OF A HEAT TREATABLE ALUMINUM AGE HARDENABLE ALLOY AND OF A LENGTH SUITABLE TO FORM AN AUTOMOTIVE VEHICLE BUMPER; HEATING SAID BLANK TO A DRAWING AND HEAT TREATING TEMPERATURE; DRAWING SAID BLANK WHILE IN HEATED CONDITION INTO A BUMPER FORM SUITABLE FOR USE AS AN AUTOMOTIVE VEHICLE BUMPER WITH THE OPEN PORTION OF SAID OPEN CHANNEL DIRECTED TOWARD SAID VEHICLE; AND QUENCHING AND AGING SAID BUMPER.
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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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |