US1140134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incandescent lamp.
Assignee: COMMERCIAL RESEARCH Co
•
Filing: 1914-12-30
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Granted: 1915-05-18
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Expires: 1934-12-30
Abstract
No abstract record available.
Inventors
- 👤 Byron E Eldred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:16
CPC Classifications
H; H01; H01J; H01J5/00; H01J5/32; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T403/00; Y10T403/21; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12597; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/1291; Y10T428/12917; Y10T428/12924; Y10T428/13; Y10T428/131; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/294; Y10T428/2942; Y10T428/2944; Y10T428/2958
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) | 1918-05-17 | 1918-11-16 | 1919-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-05-17 | 1922-11-16 | 1923-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-05-17 | 1926-11-16 | 1927-05-18 | $7700.00 | Window Closed / Lapsed |