|
PTO
Wrapper
PDF
|
|
Dossier
Espace
Google
|
|
|
|
Patent
D288787
|
|
Priority
Aug 09 1985
|
|
Filed
Aug 09 1985
|
|
Issued
Mar 17 1987
|
|
Expiry
Mar 17 2001
|
|
|
|
Assg.orig
|
|
|
|
Entity
unknown
|
|
0
|
|
11
|
|
n/a
|
|
|
|
The ornamental design for a protractor, as shown.
|
FIG. 1 is a top plan view of a protractor showing my new design;
FIG. 2 is an edge elevational view thereof;
FIG. 3 is a bottom plan view thereof.
Marcoline, Joseph O.
| Patent |
Priority |
Assignee |
Title |
| Patent |
Priority |
Assignee |
Title |
| 1636991, |
|
|
|
| 2299444, |
|
|
|
| 2586058, |
|
|
|
| 2888196, |
|
|
|
| 2996242, |
|
|
|
| 3034713, |
|
|
|
| 3358920, |
|
|
|
| 3468037, |
|
|
|
| 3757092, |
|
|
|
| 201829, |
|
|
|
| D249656, |
Jan 10 1977 |
|
Aircraft navigation plotter |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date |
Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a