US3132320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric thermal device
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1961-10-02
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Granted: 1964-05-05
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Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Leroy J Gee
- 👤 John T Chambers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:57
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A LOW RESISTANCE THERMAL SWITCH COMPRISING: A FIRST ELECTRODE HAVING AN EXTENDED SURFACE, A THIN FILM CONSISTING OF ZIRCONIA DEPOSITED ON SAID EXTENDED SURFACE OF SAID FIRST ELECTRODE IN INTIMATE BONDED RELATION THERETO, AND A SECOND ELECTRODE DEPOSITED ON SAID FILM OF ZIRCONIA IN INTIMATE BONDED RELATION THERETO.
Claim 2
Dependent Claim
48 words
A LOW RESISTANCE THERMAL SWITCH COMPRISING: A FIRST ELECTRODE HAVING AN EXTENDED SURFACE, A THIN FILM CONSISTING OF ZIRCONIA DEPOSITED ON SAID EXTENDED SURFACE OF SAID FIRST ELECTRODE IN INTIMATE BONDED RELATION THERETO, AND A SECOND ELECTRODE DEPOSITED ON SAID FILM OF ZIRCONIA IN INTIMATE BONDED RELATION THERETO.
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) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |