# United States Patent and Trademark Office timeline

entity: /record/uspto.md  
id: ent_uspto  


## 1802

- 1802-01-01 to 1974-01-01 | official_name | United States Patent Office | superseded | [clm_67331A71E777](/claim/clm_67331A71E777.md)

## undated

- undated | website | http://www.uspto.gov/ | unverified | [clm_81BB86E509A0](/claim/clm_81BB86E509A0.md)
- undated | headquarters | Alexandria | unverified | [clm_CB4939090E49](/claim/clm_CB4939090E49.md)

## 1975

- 1975-01-01 | official_name | United States Patent and Trademark Office | unverified | [clm_6ACB64F65D5B](/claim/clm_6ACB64F65D5B.md)

## 2008

- 2008-08-30 | x_username | uspto | unverified | [clm_9779B16A7156](/claim/clm_9779B16A7156.md)
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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.
