US806052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Receiver for wireless telegraphy.
Assignee: Individual
•
Filing: 1901-05-08
•
Granted: 1905-11-28
•
Expires: 1921-05-08
Abstract
No abstract record available.
Inventors
- 👤 Henry Spencer Blackmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:35
CPC Classifications
H; H03; H03D; H03D1/00; H03D1/08; H03D1/10; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10S428/931; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535
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) | 1908-11-27 | 1909-05-29 | 1909-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-11-27 | 1913-05-29 | 1913-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-11-27 | 1917-05-29 | 1917-11-28 | $7700.00 | Window Closed / Lapsed |