CA12235A - Improvements on screw heads - Google Patents
Improvements on screw headsInfo
- Publication number
- CA12235A CA12235A CA000012235A CA12235DA CA12235A CA 12235 A CA12235 A CA 12235A CA 000012235 A CA000012235 A CA 000012235A CA 12235D A CA12235D A CA 12235DA CA 12235 A CA12235 A CA 12235A
- Authority
- CA
- Canada
- Prior art keywords
- screw heads
- heads
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA12235T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA12235A true CA12235A (en) | 1881-01-19 |
Family
ID=45128781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000012235A Expired CA12235A (en) | Improvements on screw heads |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA12235A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5683217A (en) * | 1996-03-27 | 1997-11-04 | Walther; Uli | Self-counter-sinking screw with cutting receiving pockets |
-
0
- CA CA000012235A patent/CA12235A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5683217A (en) * | 1996-03-27 | 1997-11-04 | Walther; Uli | Self-counter-sinking screw with cutting receiving pockets |
USRE36741E (en) * | 1996-03-27 | 2000-06-20 | Walther; Uli | Self-countersinking screw with cutting receiving pockets |
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