US2468635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for testing hydraulic and electric propeller governors
Assignee: PACIFIC AIRMOTIVE Corp
•
Filing: 1944-11-14
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Granted: 1949-04-26
•
Expires: 1964-11-14
Abstract
No abstract record available.
Inventors
- 👤 Richard D Maystead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:15
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US272362A
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US353990A
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GB314965A
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US1863522A
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US2228068A
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US2234309A
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US2310974A
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US2364709A
Cited
US2410155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-25 | 1952-10-25 | 1953-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-25 | 1956-10-25 | 1957-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-25 | 1960-10-25 | 1961-04-26 | $7700.00 | Window Closed / Lapsed |