CA449741A - Helicopter - Google Patents
HelicopterInfo
- Publication number
- CA449741A CA449741A CA449741A CA449741DA CA449741A CA 449741 A CA449741 A CA 449741A CA 449741 A CA449741 A CA 449741A CA 449741D A CA449741D A CA 449741DA CA 449741 A CA449741 A CA 449741A
- Authority
- CA
- Canada
- Prior art keywords
- helicopter
- 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 |
---|---|---|---|
CA449741T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA449741A true CA449741A (en) | 1948-07-13 |
Family
ID=35567453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA449741A Expired CA449741A (en) | Helicopter |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA449741A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2996269A (en) * | 1956-04-12 | 1961-08-15 | Charles B Bolton | Helicopter with counter-rotating propeller |
US3206145A (en) * | 1961-10-30 | 1965-09-14 | Bruno A Nagler | Helicopter with shrouded or ducted rotor |
US4741672A (en) * | 1985-07-08 | 1988-05-03 | Gerald Breuner | Collective pitch change system for teter-bar type gyroplane rotary wing aircraft |
-
0
- CA CA449741A patent/CA449741A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2996269A (en) * | 1956-04-12 | 1961-08-15 | Charles B Bolton | Helicopter with counter-rotating propeller |
US3206145A (en) * | 1961-10-30 | 1965-09-14 | Bruno A Nagler | Helicopter with shrouded or ducted rotor |
US4741672A (en) * | 1985-07-08 | 1988-05-03 | Gerald Breuner | Collective pitch change system for teter-bar type gyroplane rotary wing aircraft |
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