US3086159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery charging regulation
Assignee: SPX Technologies Inc
•
Filing: 1958-03-31
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Granted: 1963-04-16
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Frank A Daly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:28
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/02; H02J7/04; H02J7/12; H02J7/90; H02J7/933; Y; Y10; Y10S; Y10S320/00; Y10S320/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A VOLTAGE REGULATION SYSTEM HAVING OUTPUT TERMINALS ADAPTED FOR CONNECTION TO A LOAD INCLUDING A BATTERY AND A TWO-RATE RELAY CONNECTED IN SHUNT COMPRISING, IN COMBINATION, AN ALTERNATING CURRENT SOURCE, A TRANSFORMER INCLUDING THREE PARALLEL CORE PORTIONS, PRIMARY COIL MEANS WOUND ON ONE OF SAID CORE PORTIONS AND DISPOSED FOR CONNECTION TO SAID SOURCE, SECONDARY COIL MEANS WOUND ON ONE OF THE REMAINING CORE PORTIONS WITH SAID OUTPUT TERMINALS BEING TAKEN FROM A CONNECTION TO AN INTERMEDIATE POINT OF SAID SECONDARY COIL MEANS AND THE COMMON CONNECTION OF THE ENDS OF SAID SECONDARY COIL MEANS, RESTIFICATION MEANS CONNECTED IN THE COMMON CONNECTION OF THE
Claim 2
Dependent Claim
104 words
A VOLTAGE REGULATION SYSTEM HAVING OUTPUT TERMINALS ADAPTED FOR CONNECTION TO A LOAD INCLUDING A BATTERY AND A TWO-RATE RELAY CONNECTED IN SHUNT COMPRISING, IN COMBINATION, AN ALTERNATING CURRENT SOURCE, A TRANSFORMER INCLUDING THREE PARALLEL CORE PORTIONS, PRIMARY COIL MEANS WOUND ON ONE OF SAID CORE PORTIONS AND DISPOSED FOR CONNECTION TO SAID SOURCE, SECONDARY COIL MEANS WOUND ON ONE OF THE REMAINING CORE PORTIONS WITH SAID OUTPUT TERMINALS BEING TAKEN FROM A CONNECTION TO AN INTERMEDIATE POINT OF SAID SECONDARY COIL MEANS AND THE COMMON CONNECTION OF THE ENDS OF SAID SECONDARY COIL MEANS, RESTIFICATION MEANS CONNECTED IN THE COMMON CONNECTION OF THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |