Patent US902032A successfully refreshed from Google Patents.
US902032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incandescent electric lamp.
Assignee: General Electric Co
•
Filing: 1904-10-31
•
Granted: 1908-10-27
•
Expires: 1924-10-31
Abstract
No abstract record available.
Inventors
- 👤 Willis R Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:55
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/30; H01J61/34; Y; Y10; Y10T; Y10T403/00; Y10T403/21; Y10T403/217
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1911-10-27 | 1912-04-27 | 1912-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-10-27 | 1916-04-27 | 1916-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-10-27 | 1920-04-27 | 1920-10-27 | $7700.00 | Window Closed / Lapsed |