US3144513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telephone booth
Assignee: SHERRON METALLIC CORP
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Filing: 1961-05-26
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Granted: 1964-08-11
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Expires: 1981-05-26
Abstract
No abstract record available.
Inventors
- 👤 Percival H Sherron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:49
CPC Classifications
E; E04; E04H; E04H1/00; E04H1/12; E04H1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
IN COMBINATION, A TELEPHONE BOOTH COMPRISING AN OUTER SHELL HAVING UPRIGHT WALLS, SOUND ABSORBING MATERIAL ARRANGED WITHIN SAID SHELL TO FORM AN ABSORPTION CHAMBER HAVING UPRIGHT WALLS, AND MEANS EXTENDING ACROSS SAID BOOTH AND CLOSING THE TOP OF SAID SHELL AND CHAMBER, THE FRONT OF SAID BOOTH BEING PERMANENTLY OPEN TO AFFORD INGRESS TO AND EGRESS FROM SAID CHAMBER, AND A LOUDSPEAKING TELEPHONE SET COMPRISING A MICROPHONE, A PLURALITY OF LOUD-SPEAKERS, SAID MICROPHONE AND LOUD-SPEAKERS BEING MOUNTED IN THE WALLS OF AND SO AS TO FACE THE CENTER OF SAID CHAMBER, SAID LOUD-SPEAKERS FACING AWAY FROM SAID MICROPHONE, AND MEANS FOR OPERATIVELY CONNECTING SAID MICROPHONE AND LOUD-SPEAKERS TO A TELEPHONE LINE.
Claim 2
Dependent Claim
111 words
IN COMBINATION, A TELEPHONE BOOTH COMPRISING AN OUTER SHELL HAVING UPRIGHT WALLS, SOUND ABSORBING MATERIAL ARRANGED WITHIN SAID SHELL TO FORM AN ABSORPTION CHAMBER HAVING UPRIGHT WALLS, AND MEANS EXTENDING ACROSS SAID BOOTH AND CLOSING THE TOP OF SAID SHELL AND CHAMBER, THE FRONT OF SAID BOOTH BEING PERMANENTLY OPEN TO AFFORD INGRESS TO AND EGRESS FROM SAID CHAMBER, AND A LOUDSPEAKING TELEPHONE SET COMPRISING A MICROPHONE, A PLURALITY OF LOUD-SPEAKERS, SAID MICROPHONE AND LOUD-SPEAKERS BEING MOUNTED IN THE WALLS OF AND SO AS TO FACE THE CENTER OF SAID CHAMBER, SAID LOUD-SPEAKERS FACING AWAY FROM SAID MICROPHONE, AND MEANS FOR OPERATIVELY CONNECTING SAID MICROPHONE AND LOUD-SPEAKERS TO A TELEPHONE LINE.
References Cited (Backward Citations)
US2581251A
Cited
US3031040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |