Patent US3315152A successfully refreshed from Google Patents.
US3315152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable voltage divider circuit
Assignee: Zenith Electronics LLC
•
Filing: 1965-04-13
•
Granted: 1967-04-18
•
Expires: 1985-04-13
Abstract
No abstract record available.
Inventors
- 👤 John P Lindley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:10
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/49
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
128 words
AN ADJUSTABLE-DIVIDER CIRCUIT COMPRISING: FIRST, SECOND, THIRD AND FOURTH TERMINALS; AN ADJUSTABLE SOURCE OF POTENTIAL; MEANS COUPLED BETWEEN ONE SIDE OF SAID SOURCE AND TWO CIRCUIT POINTS FOR ADJUSTABLY APPORTIONING THE POTENTIAL AT SAID ONE SIDE BETWEEN SAID TWO POINTS; MEANS COUPLED BETWEEN ONE OF SAID TWO POINTS AND SAID FIRST AND THIRD TERMINALS FOR ADJUSTABLY APPORTIONING THE POTENTIAL AT SAID ONE POINT BETWEEN SAID FIRST AND THIRD TERMINALS; MEANS COUPLED BETWEEN THE OTHER OF SAID TWO POINTS AND SAID SECOND AND FOURTH TERMINALS FOR ADJUSTABLY APPORTIONING THE POTENTIAL AT SAID OTHER POINT BETWEEN SAID SECOND AND FOURTH TERMINALS; MEANS FOR COUPLING EACH OF SAID TERMINALS INDIVIDUALLY TO THE OTHER SIDE OF SAID SOURCE; AND UTILIZATION MEANS COUPLED TO AND RESPONSIVE TO CHANGES IN POTENTIALS ON SAID TERMINALS.
References Cited (Backward Citations)
US3124756A
Cited
US2700129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |