US3081528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing female electrical sockets
Assignee: Individual
•
Filing: 1958-05-09
•
Granted: 1963-03-19
•
Expires: 1978-05-09
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Hanna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:32
CPC Classifications
B; B21; B21D; B21D53/00; H; H01; H01R; H01R43/00; H01R43/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T29/49208; Y10T29/49218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A PROCESS FOR FORMING A FEMALE ELECTRICAL SOCKET WHICH COMPRISES THE STEPS OF: DRAWING A CUP IN THE CENTRAL PORTION OF A SHEET OF ELECTRICALLY CONDUCTIVE WORKABLE METAL TO LEAVE AN ANNULAR FLANGE PORTION AT THE PERIPHERY OF SAID CUP; PUNCHING A PLURALITY OF EQUALLY SPACED RELATIVELY NARROW SLOTS IN SAID FLANGE PORTION FROM THE SIDE THEREOF WHICH IS CONTINUOUS WITH THE INTERNAL SURFACE OF SAID CUP TOWARD THE SIDE THEREOF WHICH IS CONTINUOUS WITH THE EXTERNAL SURFACE OF SAID CUP, WHEREBY THE FORMING BURRS ARE CREATED ONLY ON THE LAST MENTIONED SIDE OF SAID FLANGE PORTION, SAID SLOTS EXTENDING FROM SAID CUP TO THE PERIPHERY OF SAID SHEET; AND DRAWING THE FLANGE PORTION OF SAID SHEET AT THE PERIPHERY OF SAID CUP INTO A CYLINDRICAL FORM WHICH IS A CONTINUATION OF SAID CUP AND WHICH HAS A PLURALITY OF SLOTS SIMILAR TO SAID PUNCHED SLOTS.
Claim 2
Dependent Claim
146 words
A PROCESS FOR FORMING A FEMALE ELECTRICAL SOCKET WHICH COMPRISES THE STEPS OF: DRAWING A CUP IN THE CENTRAL PORTION OF A SHEET OF ELECTRICALLY CONDUCTIVE WORKABLE METAL TO LEAVE AN ANNULAR FLANGE PORTION AT THE PERIPHERY OF SAID CUP; PUNCHING A PLURALITY OF EQUALLY SPACED RELATIVELY NARROW SLOTS IN SAID FLANGE PORTION FROM THE SIDE THEREOF WHICH IS CONTINUOUS WITH THE INTERNAL SURFACE OF SAID CUP TOWARD THE SIDE THEREOF WHICH IS CONTINUOUS WITH THE EXTERNAL SURFACE OF SAID CUP, WHEREBY THE FORMING BURRS ARE CREATED ONLY ON THE LAST MENTIONED SIDE OF SAID FLANGE PORTION, SAID SLOTS EXTENDING FROM SAID CUP TO THE PERIPHERY OF SAID SHEET; AND DRAWING THE FLANGE PORTION OF SAID SHEET AT THE PERIPHERY OF SAID CUP INTO A CYLINDRICAL FORM WHICH IS A CONTINUATION OF SAID CUP AND WHICH HAS A PLURALITY OF SLOTS SIMILAR TO SAID PUNCHED SLOTS.
References Cited (Backward Citations)
US903454A
Cited
US1433881A
Cited
US2398698A
Cited
US2468169A
Cited
US2450529A
Cited
US2486285A
Cited
US2802257A
Cited
US2697821A
Cited
US2727299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |