Patent CA536029A successfully refreshed from Google Patents.
US1068643A
Expired / Lapsed
US
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Method of heating material by electricity.
Assignee: Individual
•
Filing: 1906-03-02
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Granted: 1913-07-29
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Expires: 1926-03-02
Abstract
No abstract record available.
Inventors
- 👤 William S Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:05
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1295; C22C; C22C1/00; C22C1/02; Y; Y10; Y10S; Y10S65/00; Y10S65/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1916-07-28 | 1917-01-27 | 1917-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-07-28 | 1921-01-27 | 1921-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-07-28 | 1925-01-27 | 1925-07-29 | $7700.00 | Window Closed / Lapsed |