US1908859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leading in conductor
Assignee: Westinghouse Lamp Co
•
Filing: 1930-06-27
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Granted: 1933-05-16
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Expires: 1950-06-27
Abstract
No abstract record available.
Inventors
- 👤 O'neill Henry Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:26
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/32; H01J5/40; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T403/00; Y10T403/47; Y10T403/473; Y10T403/477; Y10T428/00; Y10T428/12; Y10T428/12333; Y10T428/12451; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12833; Y10T428/12861; Y10T428/12903; Y10T428/1291
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) | 1936-05-15 | 1936-11-14 | 1937-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-15 | 1940-11-14 | 1941-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-15 | 1944-11-14 | 1945-05-16 | $7700.00 | Window Closed / Lapsed |