US3040564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety test stand for rotors
Assignee: Individual
•
Filing: 1958-11-26
•
Granted: 1962-06-26
•
Expires: 1978-11-26
Abstract
No abstract record available.
Inventors
- 👤 Hoffmann August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:03
CPC Classifications
G; G01; G01M; G01M15/00; G01M15/02; F; F01; F01D; F01D21/00; F01D21/003; G01M99/00; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1805896A
Cited
US2405060A
Cited
US2738647A
Cited
US2814944A
Cited
US2879936A
Cited
US2987296A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |