US3175382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forging
Assignee: British Iron and Steel Research Association BISRA
•
Filing: 1961-10-30
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Granted: 1965-03-30
•
Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Wistreich John George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:18
CPC Classifications
B; B21; B21J; B21J13/00; B21J13/08; B21J13/10; B21J9/00; B21J9/10; B21J9/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
A METHOD OF FORGING A WORKPIECE IN A SUCCESSION OF SQUEEZES BY USE OF A FORGING PRESS, WHICH METHOD COMPRISES MOVING THE WORKPIECE LONGITUDINALLY RELATIVE
Claim 2
Independent Claim
25 words
A METHOD OF FORGING A WORKPIECE IN A SUCCESSION OF SQUEEZES BY USE OF A FORGING PRESS, WHICH METHOD COMPRISES MOVING THE WORKPIECE LONGITUDINALLY RELATIVE
References Cited (Backward Citations)
US2985043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |