US3563712A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated thermostatic metal
Assignee: CHARLES F ZEIGLER
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Filing: 1968-05-02
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Granted: 1971-02-16
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Expires: 1988-05-02
Abstract
Abstract A THREE LAYER LAMINATED METAL STRIP FOR USE IN CIRCUIT BREAKERS HAVING ADVANTAGES FLEXIVITY AND RESISTIVITY CHARACTERISTICS AND FORMED FROM A HIGH EXPANDING METAL LAMINATION, A LOW EXPANDING METAL LAMINATION AND AN ADDITIONAL LAMINATION DISPOSED BETWEEN THE LOW EXPANDING AND HIGH EXPANDING LAMINATIONS.
Inventors
- 👤 Charles F Zeigler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:54
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/54; H01H37/5418; G; G01; G01K; G01K5/00; G01K5/48; G01K5/56; G01K5/62; H01H2037/526; H01H2037/528; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/925; Y10T; Y10T428/00; Y10T428/12; Y10T428/1241; Y10T428/12493; Y10T428/125; Y10T428/12507; Y10T428/12771; Y10T428/12861; Y10T428/12944
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |