Patent US3424362A successfully refreshed from Google Patents.
US3424362A
Expired / Lapsed
US
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Apparatus for making heating element
Assignee: Templeton Coal Co
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Filing: 1967-02-20
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Granted: 1969-01-28
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Expires: 1987-02-20
Abstract
No abstract record available.
Inventors
- 👤 Glen H Morey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:27
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/20; H05B3/34; H05B3/342; F; F24; F24D; F24D13/00; F24D13/02; H05B2203/00; H05B2203/002; H05B2203/003; H05B2203/005; H05B2203/011; H05B2203/014; H05B2203/015; H05B2203/017; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3283987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |