dateOfPatentCaveatFiling
P47770
predicate
Indicates the date on which a patent caveat (a provisional notice of an intended patent) was officially filed.
Sample triples (1)
| Subject | Object |
|---|---|
| Elisha Gray | 1876-02-14 → |
P47770
predicate
Indicates the date on which a patent caveat (a provisional notice of an intended patent) was officially filed.
| Subject | Object |
|---|---|
| Elisha Gray | 1876-02-14 → |