Patent US-1900-643018
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Device for using radiation to send & receive communications
- Tech class CPC H01H51/32: Frequency relays; Mechanically-tuned relays
- Inventor location: London
Sources
- Patent 643018 document and bibliographic info on espacenet
- Patent 643018 at google patents
| Year filed | 1899 |
|---|---|
| Year granted | 1900 |
| Office | US |
| Patent number | 643018 |
| Inventors | Louis Heathcote Walter |
| Inventor country | GB |
| Applicant person | Louis Heathcote Walter |
| Applicant firm | |
| Applicant type | INDIV |
| Applicant is inventor? | 1 |
| Original title | Utilization of Hertzian or similar radiations and apparatus therefor |
| English title | Utilization of Hertzian or similar radiations and apparatus therefor |
| Tech fields | electronics |
| Filing date | 1899-03-06 |
| Full specification filed date | |
| Application number | |
| Grant date | 1900-02-06 |
| Granted? | 1 |
| Publication date | |
| Supplementary to patent | Patent GB-1898-23624, Patent GB-1898-24312 |
| Related to aircraft? | 1 |
| Serial number | 703052 |
| Patent agent | Knight |
| Assigned to | |
| National tech categories | USPC 361/184, USPC 185/40R, USPC 178/116, USPC 244/3.14, USPC 340/12.22 |
| IPCs | |
| CPCs | CPC H01H51/32 |
| Family year | 1900 |
| First filing? | 1 |
| Cites these patents | |
| Citations from after 1930 | |
| Application ID | |
| INPADOC family ID | |
| Number of text pages | 5 |
| Number of diagram pages | 4 |
| Number of figures | 8 |
| Number of claims | 5 |
