Patent US4304572A successfully refreshed from Google Patents.
US3303291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature telephone subset
Assignee: Automatic Electric Laboratories Inc
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Filing: 1964-03-04
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Granted: 1967-02-07
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Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 Jerry L Schoemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:37
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/0297
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A TELEPHONE SUBSET HAVING A BASE PLATE, A HOUSING, A HANDSET MOUNTABLE ON SAID HOUSING, HOOKSWITCH CONTACT MEANS, A HOOKSWITCH ASSEMBLY CONTROLLING SAID CONTRACT MEANS AND COMPRISING A FRAME HAVING A MAIN PORTION AND AT LEAST ONE ARM EXTENDING SUBSTANTIALLY PERPENDICULAR TO SAID MAIN PORTION, HOOKSWITCH CONTACT ACTUATING MEANS ATTACHED TO SAID ARM, MEANS PIVOTALLY SUPPORTING SAID FRAME ON SAID BASE PLATE, SAID CONTACT MEANS BEING SUPPORTED ON SAID BASE PLATE AT A POINT ADJACENT THE PIVOTAL AXIS OF SAID FRAME AND EXTENDING SUBSTANTIALLY PARALLEL TO SAID ARM, ARM ACTUATING MEANS ENGAGEABLE BY SAID HANDSET, AND BIASING MEANS CONNECTED TO SAID FRAME FOR URGING SAID ARM ACTUATING MEANS INTO ENGAGEMENT WITH SAID HANDSET WHEN SAID HANDSET IS REPLACED ON SAID HOUSING.
Claim 2
Dependent Claim
121 words
A TELEPHONE SUBSET HAVING A BASE PLATE, A HOUSING, A HANDSET MOUNTABLE ON SAID HOUSING, HOOKSWITCH CONTACT MEANS, A HOOKSWITCH ASSEMBLY CONTROLLING SAID CONTRACT MEANS AND COMPRISING A FRAME HAVING A MAIN PORTION AND AT LEAST ONE ARM EXTENDING SUBSTANTIALLY PERPENDICULAR TO SAID MAIN PORTION, HOOKSWITCH CONTACT ACTUATING MEANS ATTACHED TO SAID ARM, MEANS PIVOTALLY SUPPORTING SAID FRAME ON SAID BASE PLATE, SAID CONTACT MEANS BEING SUPPORTED ON SAID BASE PLATE AT A POINT ADJACENT THE PIVOTAL AXIS OF SAID FRAME AND EXTENDING SUBSTANTIALLY PARALLEL TO SAID ARM, ARM ACTUATING MEANS ENGAGEABLE BY SAID HANDSET, AND BIASING MEANS CONNECTED TO SAID FRAME FOR URGING SAID ARM ACTUATING MEANS INTO ENGAGEMENT WITH SAID HANDSET WHEN SAID HANDSET IS REPLACED ON SAID HOUSING.
References Cited (Backward Citations)
US2946857A
Cited
US2972021A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |