US1008588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filament.
Assignee: General Electric Co
•
Filing: 1906-08-01
•
Granted: 1911-11-14
•
Expires: 1926-08-01
Abstract
No abstract record available.
Inventors
- 👤 William D Coolidge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:37
CPC Classifications
B; B21; B21D; B21D13/00; B21D13/04; E; E04; E04C; E04C2/00; E04C2/30; E04C2/32; E04C2/322; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12354
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) | 1914-11-13 | 1915-05-15 | 1915-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-11-13 | 1919-05-15 | 1919-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-11-13 | 1923-05-15 | 1923-11-14 | $7700.00 | Window Closed / Lapsed |