US3134422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating punch for forming outwardly extending bosses on narrow webbed channel members
Assignee: AO Smith Corp
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Filing: 1961-06-20
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Granted: 1964-05-26
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Expires: 1981-06-20
Abstract
No abstract record available.
Inventors
- 👤 Neil B Granberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:12
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/29; Y; Y10; Y10T; Y10T83/00; Y10T83/384; Y10T83/395; Y10T83/398; Y10T83/869; Y10T83/8769
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
APPARATUS FOR FORMING A WORKPIECE, COMPRISING A PUNCH HAVING A PLURALITY OF FORMING FACES AND ADAPTED TO BE DRIVEN IN A PLURALITY OF DIRECTIONS, A PLURALITY OF DRIVING MEMBERS ADAPTED TO SUCCESSIVELY ENGAGE AND DRIVE SAID PUNCH FROM THE SIDE OPPOSITE THE RESPECTIVE FORMING FACE TO BE DRIVEN, AND MEANS FOR SUPPORTING SAID PUNCH AND SAID DRIVING MEMBERS IN RELATION TO A WORKPIECE BEING FORMED.
Claim 2
Dependent Claim
65 words
APPARATUS FOR FORMING A WORKPIECE, COMPRISING A PUNCH HAVING A PLURALITY OF FORMING FACES AND ADAPTED TO BE DRIVEN IN A PLURALITY OF DIRECTIONS, A PLURALITY OF DRIVING MEMBERS ADAPTED TO SUCCESSIVELY ENGAGE AND DRIVE SAID PUNCH FROM THE SIDE OPPOSITE THE RESPECTIVE FORMING FACE TO BE DRIVEN, AND MEANS FOR SUPPORTING SAID PUNCH AND SAID DRIVING MEMBERS IN RELATION TO A WORKPIECE BEING FORMED.
References Cited (Backward Citations)
US2751984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |