US3323458A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal fuze
Assignee: Individual
•
Filing: 1964-08-24
•
Granted: 1967-06-06
•
Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Henry W Hartmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:57
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/06; F42B; F42B39/00; F42B39/14; F42C15/00; F42C15/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN A TEMPERATURE SENSITIVE ELECTRICAL FUZE HAVING A HOUSING WITH A SHELL PORTION OF ELECTRICALLY NON-CONDUCTIVE MATERIAL. SEPARATE TERMINALS MOUNTED IN SAID SHELL PORTION, MEANS INCLUDING AN APERTURED DISK NORMALLY CONNECTING SAID TERMINALS IN A FIRST ELECTRICAL CIRCUIT, A HEADED ELONGATED MEMBER HAVING ITS REDUCED PORTION EXTENDING THROUGH BOTH SAID APERTURED DISK AND AN OPENING IN SAID SHELL, A MONITORING SPRING IN AN ELECTRICALLY SEPARATE MONITORING CIRCUIT, MEANS FUSING SAID SPRING TO SAID ELONGATED MEMBER AND URGING THE HEAD OF SAID ELONGATED MEMBER TOWARD SAID DISK, AND
Claim 2
Dependent Claim
87 words
IN A TEMPERATURE SENSITIVE ELECTRICAL FUZE HAVING A HOUSING WITH A SHELL PORTION OF ELECTRICALLY NON-CONDUCTIVE MATERIAL. SEPARATE TERMINALS MOUNTED IN SAID SHELL PORTION, MEANS INCLUDING AN APERTURED DISK NORMALLY CONNECTING SAID TERMINALS IN A FIRST ELECTRICAL CIRCUIT, A HEADED ELONGATED MEMBER HAVING ITS REDUCED PORTION EXTENDING THROUGH BOTH SAID APERTURED DISK AND AN OPENING IN SAID SHELL, A MONITORING SPRING IN AN ELECTRICALLY SEPARATE MONITORING CIRCUIT, MEANS FUSING SAID SPRING TO SAID ELONGATED MEMBER AND URGING THE HEAD OF SAID ELONGATED MEMBER TOWARD SAID DISK, AND
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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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |