Patent US3177461A successfully refreshed from Google Patents.
US3177461A
Expired / Lapsed
US
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Keying device
Assignee: BK Technologies Corp
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Filing: 1958-03-31
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Granted: 1965-04-06
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Hagan
- 👤 Howard A Satterlee
- 👤 Young Frink Mansfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:05
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/64; H01R13/645; H01R13/6453
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
IN A PAIR OF SEPARABLE ELECTRICAL CONNECTORS OF THE TYPE HAVING A PLURALITY OF SPACED INTERENGAGING CONTACT MEMBERS ON THE OPPOSING FACES THEREOF, THE IMPROVEMENT WHICH COMPRISES A SET OF OPPOSING FLANGES EXTENDING FROM SAID CONNECTORS AT ONE END THEREOF, SAID FLANGES BEING SPACED APART AND HAVING SHAPED OPENINGS THEREIN, A PAIR OF POLARIZING MEMBERS, SAID MEMBERS HAVING MATING PORTIONS WHICH COMPLEMENT EACH OTHER, AND MEANS FOR MOUNTING SAID MEMBERS IN A PLURALITY OF DIFFERENT ANGULAR POSITIONS ON THE RESPECTIVE FLANGES WITH THE MATING PORTIONS THEREOF IN COMPLEMENTARY RELATION, SAID MEANS INCLUDING MEMBERS CONNECTED TO THE POLARIZING MEMBERS AND FITTING THE SHAPED OPENINGS IN THE FLANGES.
References Cited (Backward Citations)
US651662A
Cited
US627946A
Cited
US867312A
Cited
US1991822A
Cited
US2230028A
Cited
GB630333A
Cited
US2490316A
Cited
US2572448A
Cited
US2746022A
Cited
US2902665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |