US3149898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polarized electric plugs
Assignee: Heyman Manufacturing Co
•
Filing: 1958-02-13
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Granted: 1964-09-22
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Expires: 1978-02-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Ferdinand Klumpp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:31
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/64; H01R13/642; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204; Y10T428/00; Y10T428/12; Y10T428/12188; Y10T428/12194
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
58 words
AN ELECTRICAL CONNECTOR PLUG COMPRISING AND INSULATING HOUSING AND A PLURALITY OF SPACED ELECTRICAL CONTACT PRONGS PROJECTING FROM SAID HOUSING, ONE OF SAID PRONGS HAVING A BODY PORTION OF A GIVEN WIDTH AND A GIVEN FORM TERMINATING IN AN END PORTION WITH A LEADING EDGE HAVING A WIDTH LARGER THAN SAID GIVEN WIDTH, AND A SECOND OF 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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |