Patent US3531936A successfully refreshed from Google Patents.
US3531936A
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Integrating fluid meter with phase lead
Assignee: Bendix Corp
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Filing: 1968-12-20
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Granted: 1970-10-06
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Expires: 1988-12-20
Abstract
No abstract record available.
Inventors
- 👤 George M Widell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:17
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/263; F02D; F02D3/00; F02D3/02; F02C9/32; F02M; F02M57/00; F02M57/02; F02M57/022; F02M57/025; G; G05; G05D; G05D7/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2579; Y10T137/2602; Y10T137/2605
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |