US2863034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric resistance element
Assignee: Individual
•
Filing: 1955-05-10
•
Granted: 1958-12-02
•
Expires: 1975-05-10
Abstract
No abstract record available.
Inventors
- 👤 Tassara Luigi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:25
CPC Classifications
H; H01; H01C; H01C17/00; H01C17/06; H01C17/075; H01C17/08; H01B; H01B1/00; H01C1/00; H01C1/14; H01C1/144; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082; Y10T29/49099
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2052533A
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US2313853A
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US2021509A
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US2061516A
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US2385702A
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US2476592A
Cited
US2487057A
Cited
US2629166A
Cited
US2721351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |