US2744746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming and heat treating metal articles
Assignee: Individual
•
Filing: 1952-06-17
•
Granted: 1956-05-08
•
Expires: 1972-06-17
Abstract
No abstract record available.
Inventors
- 👤 George C Batz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:15
CPC Classifications
B; B21; B21D; B21D35/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
IN A MACHINE FOR PRODUCING MULTI-SIDED METAL ARTICLES, FORMING DIES FOR COMPLETELY FORMING A HEATED PART, SAID DIES HAVING A PLURALITY OF WORKING FACES ANGULARLY DISPOSED FROM EACH OTHER, PUNCHES OPERATING ALONG INDIVIDUAL PATHS OF MOVEMENT CORRESPONDINGLY ANGULARLY DISPOSED FROM EACH OTHER TO MOVE THROUGH THE FACES OF SAID FORMING DIES TO SHEAR AWAY PORTIONS OF THE PARTS FROM THE VARIOUS SIDES, AND MEANS TO CIRCULATE A COOLANT IN CONTACT WITH THE DIES TO HEAT-TREAT THE PART.
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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) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |