US3203077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening assembly and procedure
Assignee: Motors Liquidation Co
•
Filing: 1962-10-17
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Granted: 1965-08-31
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Expires: 1982-10-17
Abstract
No abstract record available.
Inventors
- 👤 Wilbur J Zimmerle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:41
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/02; H02K15/021; H02K2201/00; H02K2201/06; H02K2201/09; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/4902; Y10T29/49075; Y10T29/49078; Y10T29/49826; Y10T29/49828
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
IN A PROCEDURE OF MANUFACTURE OF A METAL LIMINATION ASSEMBLY FOR ROTORS AND THE LIKE BY USE OF PROGRESSIVE DIE OPERATING ON A STRIP OF MATERIAL TO HAVE CONDUCTOR-RECEIVING SLOTS THEREIN, THE STEPS COMPRISING, APERTURING THE STRIP OF MATERIAL IN PREDETERMINED LOCATIONS, PUNCHING THE STRIP OF MATERIAL TO PROVIDE ONE PAIR OF CUTS EXTENDING INTO THE STRIP MATERIAL FROM WHERE SUBJECTED TO SAID APERTURING, BENDING STRIP MATERIAL BETWEEN THE CUTS DUE TO PUNCHING INTO SUBSTANTIALLY ELBOW-SHAPED FASTENING PORTIONS, AND JOINING LAMINATIONS OF STRIP MATERIAL IN SEQUENCE INDIVIDUALLY TO EACH OTHER COMPLETELY IN DIE MEANS PROGRESSIVELY OPERABLE TO FORM AND JOIN METAL LAMINATIONS.
Claim 2
Dependent Claim
102 words
IN A PROCEDURE OF MANUFACTURE OF A METAL LIMINATION ASSEMBLY FOR ROTORS AND THE LIKE BY USE OF PROGRESSIVE DIE OPERATING ON A STRIP OF MATERIAL TO HAVE CONDUCTOR-RECEIVING SLOTS THEREIN, THE STEPS COMPRISING, APERTURING THE STRIP OF MATERIAL IN PREDETERMINED LOCATIONS, PUNCHING THE STRIP OF MATERIAL TO PROVIDE ONE PAIR OF CUTS EXTENDING INTO THE STRIP MATERIAL FROM WHERE SUBJECTED TO SAID APERTURING, BENDING STRIP MATERIAL BETWEEN THE CUTS DUE TO PUNCHING INTO SUBSTANTIALLY ELBOW-SHAPED FASTENING PORTIONS, AND JOINING LAMINATIONS OF STRIP MATERIAL IN SEQUENCE INDIVIDUALLY TO EACH OTHER COMPLETELY IN DIE MEANS PROGRESSIVELY OPERABLE TO FORM AND JOIN METAL LAMINATIONS.
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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) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |