US3243725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Short circuit protector
Assignee: RTX Corp
•
Filing: 1962-10-30
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Granted: 1966-03-29
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Expires: 1982-10-30
Abstract
No abstract record available.
Inventors
- 👤 Frank L Raposa
- 👤 Lawn Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:51
CPC Classifications
H; H02; H02H; H02H7/00; H02H7/10; H02H7/12; H02H7/1213; H02M; H02M3/00; H02M3/22; H02M3/24; H02M3/28; H02M3/325; H02M3/335; H02M3/338; H02M3/3385; H02M3/3387; H02M3/3388
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A SHOR CIRCUIT PROTECTOR FOR A SOURCE OF ELECTRICAL ENERGY COMPRISING: SWITCH MEANS CONNECTED BETWEEN THE SOURCE TO BE PROTECTED AND A LOAD CIRCUIT FOR CONTROLLING THE TRANSMISSION OF POWER FROM THE SOURCE OF THE LOAD CIRCUIT, A SOURCE OF REFERENCE VOLTAGE, MEANS FOR COMPARING THE REFERENCE VOLTAGE WITH THE LOAD VOLTAGE AND FOR GENERATING A SIGNAL COMMENSURATE WITH THE DIFFERENCE THEREBETWEEN ONLY WHEN THE REFERENCE VOLTAGE EXCEEDS THE LOAD VOLTAGE, AND MEANS CONNECTED TO SAID COMPARING MEAND AND RESPONSIVE TO SAID DIFFERENCE SIGNAL FOR DISABLING SAID SWITCH MEANS WHEN THE LOAD VOLTAGE DROPS BELOW THE REFERENCE VOLTAGE WHEREBY NO POWER BELOW THE REFFROM THE SOURCE TO THE LOAD WHEN THE LOAD VOLTAGE FALLS BELOW THE REFERENCE VOLTAGE.
Claim 2
Dependent Claim
118 words
A SHOR CIRCUIT PROTECTOR FOR A SOURCE OF ELECTRICAL ENERGY COMPRISING: SWITCH MEANS CONNECTED BETWEEN THE SOURCE TO BE PROTECTED AND A LOAD CIRCUIT FOR CONTROLLING THE TRANSMISSION OF POWER FROM THE SOURCE OF THE LOAD CIRCUIT, A SOURCE OF REFERENCE VOLTAGE, MEANS FOR COMPARING THE REFERENCE VOLTAGE WITH THE LOAD VOLTAGE AND FOR GENERATING A SIGNAL COMMENSURATE WITH THE DIFFERENCE THEREBETWEEN ONLY WHEN THE REFERENCE VOLTAGE EXCEEDS THE LOAD VOLTAGE, AND MEANS CONNECTED TO SAID COMPARING MEAND AND RESPONSIVE TO SAID DIFFERENCE SIGNAL FOR DISABLING SAID SWITCH MEANS WHEN THE LOAD VOLTAGE DROPS BELOW THE REFERENCE VOLTAGE WHEREBY NO POWER BELOW THE REFFROM THE SOURCE TO THE LOAD WHEN THE LOAD VOLTAGE FALLS BELOW THE REFERENCE VOLTAGE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |