US3138257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production die
Assignee: AVIS IND CORP
•
Filing: 1960-03-07
•
Granted: 1964-06-23
•
Expires: 1980-03-07
Abstract
No abstract record available.
Inventors
- 👤 George L Andersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:40
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
PRODUCTION DIE EQUIPMENT COMPRISING PRESS FORCE APPLYING MEANS, A PAIR OF COAXIAL, RELATIVELY MOVABLE DIE UNITS ENGAGEABLE IN THE AXIAL DIRECTION THEREOF WITH A PIECE TO BE FORMED IN A RELATIVE FORMING MOVEMENT OF SAID UNITS UNDER FORCE APPLIED THERETO BY SAID MEANS IN SAID DIRECTION, ONE OF SAID UNITS HAVING A ROUNDED FORCE RECEIVING SURFACE, A FORCE APPLYING MEMBER HAVING A ROUNDED SURFACE ADAPTED FOR COAXIAL MATING AND SELFALIGNING ENGAGEMENT WITH SAID FIRST NAMED ROUNDED SURFACE TO EXERT FORMING FORCE FROM THE LATTER ON SAID PIECE IN SAID AXIAL DIRECTION, MEANS PROVIDING A LOOSE COUPLING CONNECTION OF SAID PRESS FORCE APPLYING MEANS WITH SAID FORCE APPLYING MEMBER AND SAID DIE UNIT CAPABLE OF PERMITTING A TILTING SHIFT OF SAID ROUNDED SURFACES RELATIVE TO AND IN MATED ENGAGEMENT WITH ONE ANOTHER, AND OF PERMITTING A LATERAL SHIFT OF SAID DIE UNIT RELATIVE TO SAID PRESS FORCE APPLYING MEANS, AND MEANS ACTING ON SAID UNIT TO PRODUCE SAID RESPECTIVE SHIFTS THROUGH SAID
Claim 2
Dependent Claim
161 words
PRODUCTION DIE EQUIPMENT COMPRISING PRESS FORCE APPLYING MEANS, A PAIR OF COAXIAL, RELATIVELY MOVABLE DIE UNITS ENGAGEABLE IN THE AXIAL DIRECTION THEREOF WITH A PIECE TO BE FORMED IN A RELATIVE FORMING MOVEMENT OF SAID UNITS UNDER FORCE APPLIED THERETO BY SAID MEANS IN SAID DIRECTION, ONE OF SAID UNITS HAVING A ROUNDED FORCE RECEIVING SURFACE, A FORCE APPLYING MEMBER HAVING A ROUNDED SURFACE ADAPTED FOR COAXIAL MATING AND SELFALIGNING ENGAGEMENT WITH SAID FIRST NAMED ROUNDED SURFACE TO EXERT FORMING FORCE FROM THE LATTER ON SAID PIECE IN SAID AXIAL DIRECTION, MEANS PROVIDING A LOOSE COUPLING CONNECTION OF SAID PRESS FORCE APPLYING MEANS WITH SAID FORCE APPLYING MEMBER AND SAID DIE UNIT CAPABLE OF PERMITTING A TILTING SHIFT OF SAID ROUNDED SURFACES RELATIVE TO AND IN MATED ENGAGEMENT WITH ONE ANOTHER, AND OF PERMITTING A LATERAL SHIFT OF SAID DIE UNIT RELATIVE TO SAID PRESS FORCE APPLYING MEANS, AND MEANS ACTING ON SAID UNIT TO PRODUCE SAID RESPECTIVE SHIFTS THROUGH SAID
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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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |