US3470419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Destruction actuation circuit
Assignee: Crane Co
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Filing: 1966-09-09
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Granted: 1969-09-30
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Expires: 1986-09-09
Abstract
No abstract record available.
Inventors
- 👤 Donald D Sitler
- 👤 William O Christianson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:26
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A DESTRUCTOR ACTUATION CIRCUIT COMPRISING: A CAPACITOR; A POTENTIAL SOURCE; A CAPACITOR CHARGING DEVICE CONNETED TO SAID POTENTIAL SOURCE AND TO SAID CAPACITOR; A CAPACITOR DISCHARGE CIRCUIT COMPRISING: (A) A FIRST SERIES CIRCUIT HAVING CONNECTED IN SERIES: (1) A DESTRUCTOR ACTUATION DEVICE RESPONSIVE TO A CURRENT THERETHROUGH FOR ACTUATING A DESTRUCTOR (2) SAID CAPACITOR; (3) A NORMALLY OPEN FIRING SWITCH HAVING CONTACTS CLOSABLE AT THE WILL OF AN OPERATOR; (4) A BAROMETRICALLY RESPONSIVE SWITCH HAVING CONTACTS NORMALLY CLOSED AT SEA LEVEL AND NORMALLY OPEN AT A PREDETERMINED HEIGHT ABOVE SEA LEVEL; (B) AND A SECOND SERIES CIRCUIT HAVING CONNECTED IN SERIES: (1) SAID DESTRUCTOR ACTUATION DEVICE; (2) SAID CAPACITOR; (3) AND IMPACT-RESPONSIVE SWITCH HAVING NORMALLY OPEN CONTACTS RESPONSIVE TO PREDETERMINED ACCELERATION FORCES FOR CLOSING.
Claim 2
Dependent Claim
124 words
A DESTRUCTOR ACTUATION CIRCUIT COMPRISING: A CAPACITOR; A POTENTIAL SOURCE; A CAPACITOR CHARGING DEVICE CONNETED TO SAID POTENTIAL SOURCE AND TO SAID CAPACITOR; A CAPACITOR DISCHARGE CIRCUIT COMPRISING: (A) A FIRST SERIES CIRCUIT HAVING CONNECTED IN SERIES: (1) A DESTRUCTOR ACTUATION DEVICE RESPONSIVE TO A CURRENT THERETHROUGH FOR ACTUATING A DESTRUCTOR (2) SAID CAPACITOR; (3) A NORMALLY OPEN FIRING SWITCH HAVING CONTACTS CLOSABLE AT THE WILL OF AN OPERATOR; (4) A BAROMETRICALLY RESPONSIVE SWITCH HAVING CONTACTS NORMALLY CLOSED AT SEA LEVEL AND NORMALLY OPEN AT A PREDETERMINED HEIGHT ABOVE SEA LEVEL; (B) AND A SECOND SERIES CIRCUIT HAVING CONNECTED IN SERIES: (1) SAID DESTRUCTOR ACTUATION DEVICE; (2) SAID CAPACITOR; (3) AND IMPACT-RESPONSIVE SWITCH HAVING NORMALLY OPEN CONTACTS RESPONSIVE TO PREDETERMINED ACCELERATION FORCES FOR CLOSING.
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) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |