US4362347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular connector and protector
Assignee: 3M Co
•
Filing: 1980-11-26
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Granted: 1982-12-07
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Expires: 2000-11-26
Abstract
Abstract Modular wire-connector for connecting telephones to lines from central office permits adding second telephone to each station by using multislotted U-contact elements, and includes protector module for protection against incidental overvoltage. The two modules are positioned in a common bracket, the protector module being easily removed and reinserted.
Inventors
- 👤 Sidney J. Berglund
- 👤 Gary B. Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:56
CPC Classifications
H; H01; H01R; H01R4/00; H01R4/24; H01R4/2416; H01R4/242; H01R4/2425; H01R4/2429; G; G01; G01R; G01R1/00; G01R1/20; G01R1/206; H01R13/00; H01R13/66; H01R13/665; H01R13/6666; Y; Y10; Y10S; Y10S439/00; Y10S439/912; Y10S439/922
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
An overvoltage protection module comprising an elongate body member, a bus bar passing longitudinally through said body member and extending outwardly at both ends, a series of protector capsules disposed within said body member with one end resting against said bus bar, and contact elements contacting the other end of each said capsule and extending above the outer upper surface of said body member as a series of transversely oriented blades disposed successively in two parallel longitudinal rows.
Claim 2
Dependent Claim
78 words
An overvoltage protection module comprising an elongate body member, a bus bar passing longitudinally through said body member and extending outwardly at both ends, a series of protector capsules disposed within said body member with one end resting against said bus bar, and contact elements contacting the other end of each said capsule and extending above the outer upper surface of said body member as a series of transversely oriented blades disposed successively in two parallel longitudinal rows.
References Cited (Backward Citations)
US2766405A
Cited
GB748284A
Cited
US3708779B1
Cited
US3708779A
Cited
US3772570A
Cited
DE2201504B1
Cited
US3945705A
Cited
US3985416A
Cited
US4127312A
Cited
US4059331A
Cited
US4071876A
Cited
US4334257A
Cited
USRE30724E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-12-06 | 1986-06-07 | 1986-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-12-06 | 1990-06-07 | 1990-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-12-06 | 1994-06-07 | 1994-12-07 | $7700.00 | Window Closed / Lapsed |