US3089303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic telephone timer
Assignee: Individual
•
Filing: 1961-10-31
•
Granted: 1963-05-14
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 Norman C Dahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:07
CPC Classifications
G; G04; G04F; G04F7/00; G04F7/04; G04F7/06; G04B; G04B5/00; G04B5/20; H; H04; H04M; H04M15/00; H04M15/28; H04M15/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A TIMER FOR DIAL TELEPHONES COMPRISING FRAMEWORK SUBSTANTIALLY CENTRALLY OF THE DIAL PLATE OF A TELEPHONE, AN INDEX MOUNTED ON SAID FRAMEWROK FOR ANGULAR MOVEMENT ABOUT THE AXIS OF ROTATION OF SAID DIAL PLATE, INERTIA MEANS CONNECTED WITH SAID INDEX AND ANGULARLY MOVABLE THEREWITH ABOUT SAID AXIS TO INTRODUCE RELATIVELY HIGH INERTIA WHICH RESISTS SUDDEN ACCELERATIONS OF SAID INDEX ABOUT SAID AXIS WHEN SAID FRAMEWORK IS SUDDENLY ACCELERATED ABOUT SAID AXIS, STOP MEANS OBSTRUCTING ANGULAR MOVEMENT OF SAID INDEX RELATIVE TO SAID FRAMEWORK IN ONE DIRECTION BEYOND A PREDETERMINED RELATIVE ANGULAR ORIENTATION OF SAID INDEX AND FRAMEWORK, A CLOCKWORK MECHANISM MOUNTED ON SAID FRAMEWORK, CLUTCHING MEANS CONNECTING SAID CLOCKWORK MECHANISM WITH SAID INDEX TO DRIVE SAID INDES AT A RELATIVELY SLOW AND REGULATED RATE ABOUT SAID AXIS IN DIRECTION OPPOSITE TO SAID ONE DIRECTION, AND INDEX MEANS POSITIONED ON SAID FRAMEWORK IN COOPERATVE RELATIONSHIP WITH SAID MOVABLE INDEX.
Claim 2
Dependent Claim
148 words
A TIMER FOR DIAL TELEPHONES COMPRISING FRAMEWORK SUBSTANTIALLY CENTRALLY OF THE DIAL PLATE OF A TELEPHONE, AN INDEX MOUNTED ON SAID FRAMEWROK FOR ANGULAR MOVEMENT ABOUT THE AXIS OF ROTATION OF SAID DIAL PLATE, INERTIA MEANS CONNECTED WITH SAID INDEX AND ANGULARLY MOVABLE THEREWITH ABOUT SAID AXIS TO INTRODUCE RELATIVELY HIGH INERTIA WHICH RESISTS SUDDEN ACCELERATIONS OF SAID INDEX ABOUT SAID AXIS WHEN SAID FRAMEWORK IS SUDDENLY ACCELERATED ABOUT SAID AXIS, STOP MEANS OBSTRUCTING ANGULAR MOVEMENT OF SAID INDEX RELATIVE TO SAID FRAMEWORK IN ONE DIRECTION BEYOND A PREDETERMINED RELATIVE ANGULAR ORIENTATION OF SAID INDEX AND FRAMEWORK, A CLOCKWORK MECHANISM MOUNTED ON SAID FRAMEWORK, CLUTCHING MEANS CONNECTING SAID CLOCKWORK MECHANISM WITH SAID INDEX TO DRIVE SAID INDES AT A RELATIVELY SLOW AND REGULATED RATE ABOUT SAID AXIS IN DIRECTION OPPOSITE TO SAID ONE DIRECTION, AND INDEX MEANS POSITIONED ON SAID FRAMEWORK IN COOPERATVE RELATIONSHIP WITH SAID MOVABLE INDEX.
References Cited (Backward Citations)
US2876617A
Cited
US3018613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |