US3133163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone instruments
Assignee: Telefonaktiebolaget LM Ericsson AB
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Filing: 1960-08-11
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Granted: 1964-05-12
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Expires: 1980-08-11
Abstract
No abstract record available.
Inventors
- 👤 Persson Per Olof Ragnar
- 👤 Nordstrom Oskar Edvin Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:52
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
AN ARRANGEMENT IN A TELEPHONE INSTRUMENT, SAID ARRANGEMENT COMPRISING A CASING PLACED OVER A BOTTOM PLATE SUPPORTING TELEPHONE COMPONENTS, A FRAME SECURED TO SAID BOTTOM PLATE, A TWO-ARMED LEVER TURNABLY MOUNTED IN BEARING MEANS PROVIDED IN SAID CASING, ONE ARM OF SAID LEVER BEING FORMED AS A PORTION OF THE CASING WALL, A SPRING SEATED IN SAID CASING SO AS TO ACT UPON THE SECOND ARM OF SAID LEVER AND URGE SAID SECOND ARM TO TURN DOWNWARD AND SAID FIRST ARM TO TURN UPWARD, A BOLT MEMBER MOVABLY MOUNTED IN A BEARING IN SAID ONE ARM AND ACCESSIBLE FROM THE OUTSIDE OF THE CASING, AN OPENING FOR SAID BOLT MEMBER BEING PROVIDED IN SAID FRAME, SAID BOLT MEMBER BEING CAPABLE OF BEING INTRODUCED INTO SAID OPENING WHEN SAID ONE ARM, AGAINST THE ACTION OF SAID SPRING, IS MANUALLY PUSHED DOWN TO A POSITION CORRESPONDING TO THAT IN WHICH THE AXIS OF SAID BOLT MEMBER IS ALIGNED WITH THE AXIS OF SAID OPENING IN SAID FRAME, SAID ONE ARM THEREBY BEING BLOCKED AGAINST SAID TURNING MOVEMENT UPWARD AND SAID BOLT MEMBER EXERTING A FORCE ON SAID FRAME IN AN UPWARD DIRECTION.
Claim 2
Dependent Claim
190 words
AN ARRANGEMENT IN A TELEPHONE INSTRUMENT, SAID ARRANGEMENT COMPRISING A CASING PLACED OVER A BOTTOM PLATE SUPPORTING TELEPHONE COMPONENTS, A FRAME SECURED TO SAID BOTTOM PLATE, A TWO-ARMED LEVER TURNABLY MOUNTED IN BEARING MEANS PROVIDED IN SAID CASING, ONE ARM OF SAID LEVER BEING FORMED AS A PORTION OF THE CASING WALL, A SPRING SEATED IN SAID CASING SO AS TO ACT UPON THE SECOND ARM OF SAID LEVER AND URGE SAID SECOND ARM TO TURN DOWNWARD AND SAID FIRST ARM TO TURN UPWARD, A BOLT MEMBER MOVABLY MOUNTED IN A BEARING IN SAID ONE ARM AND ACCESSIBLE FROM THE OUTSIDE OF THE CASING, AN OPENING FOR SAID BOLT MEMBER BEING PROVIDED IN SAID FRAME, SAID BOLT MEMBER BEING CAPABLE OF BEING INTRODUCED INTO SAID OPENING WHEN SAID ONE ARM, AGAINST THE ACTION OF SAID SPRING, IS MANUALLY PUSHED DOWN TO A POSITION CORRESPONDING TO THAT IN WHICH THE AXIS OF SAID BOLT MEMBER IS ALIGNED WITH THE AXIS OF SAID OPENING IN SAID FRAME, SAID ONE ARM THEREBY BEING BLOCKED AGAINST SAID TURNING MOVEMENT UPWARD AND SAID BOLT MEMBER EXERTING A FORCE ON SAID FRAME IN AN UPWARD DIRECTION.
References Cited (Backward Citations)
US2495164A
Cited
US2644861A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |