US2434925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling means for relatively movable wave guides
Assignee: Sperry Gyroscope Co Inc
•
Filing: 1942-05-27
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Granted: 1948-01-27
•
Expires: 1962-05-27
Abstract
No abstract record available.
Inventors
- 👤 Robert O Haxby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:40
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/06; H01P1/062; H01P1/066; H01P1/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1927393A
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US2206923A
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US2119168A
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US2153728A
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US2232179A
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US2223224A
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US2351895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-26 | 1951-07-28 | 1952-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-26 | 1955-07-28 | 1956-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-26 | 1959-07-28 | 1960-01-27 | $7700.00 | Window Closed / Lapsed |