Patent US3530734A successfully refreshed from Google Patents.
US3530734A
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US
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Low-speed linear actuators
Assignee: Plessey Overseas Ltd
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Filing: 1968-09-27
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Granted: 1970-09-29
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Expires: 1988-09-27
Abstract
No abstract record available.
Inventors
- 👤 Ronald J Wray
- 👤 Leonard T Tribe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:53
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/2018; F16K; F16K1/00; F16K1/12; F16H2025/2062; F16H2025/2075; F16H2025/2081; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576; Y10T74/18624; Y10T74/18632
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2502573A
Cited
US1777115A
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US2630022A
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US2860266A
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US3407680A
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US3449971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |