Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
lbatx
on Jan 6, 2020
|
parent
|
context
|
favorite
| on:
Patent: Electronic flashcards (2013)
Ah, thanks. As in Expired (date). Where date is every day from the day it expires until forever. Not Expired on date, but currently expired. Makes sense now.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: