US1019568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making resistance material.
Assignee: General Electric Co
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Filing: —
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Granted: 1912-03-05
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Expires: 1929-03-05
Abstract
No abstract record available.
Inventors
- 👤 Ezechiel Weintraub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:35
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/56; C04B35/565
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) | 1915-03-05 | 1915-09-04 | 1916-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-03-05 | 1919-09-04 | 1920-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-03-05 | 1923-09-04 | 1924-03-05 | $7700.00 | Window Closed / Lapsed |