US2827224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inlet vane actuating device
Assignee: Buffalo Forge Co
•
Filing: 1955-06-30
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Granted: 1958-03-18
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Expires: 1975-06-30
Abstract
No abstract record available.
Inventors
- 👤 Richard D Madison
- 👤 Graham James Barrie
- 👤 Howard C Burgin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:50
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/46; F04D29/462; F04D29/4206; F04D29/4213; F05; F05D; F05D2250/00; F05D2250/50; F05D2250/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20408E
Cited
US2733001A
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US2100481A
Cited
US2371706A
Cited
US2435092A
Cited
US2606713A
Cited
US2621848A
Cited
US2697326A
Cited
FR1060663A
Cited
FR1088030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |