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US3480937A
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Electrical position indicators
Assignee: Westland Group PLC
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Filing: 1965-09-24
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Granted: 1969-11-25
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Expires: 1985-09-24
Abstract
No abstract record available.
Inventors
- 👤 Anthony George Robinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:48
CPC Classifications
B; B60; B60V; B60V1/00; B60V1/14; G; G01; G01D; G01D5/00; G01D5/12; G01D5/14; G01D5/20; G01D5/22; G01D5/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1671106A
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US1789196A
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US2136219A
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US2447212A
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US3099830A
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US3075132A
Cited
US3178696A
Cited
US3302099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |