Patent US1694838A successfully refreshed from Google Patents.
US2987920A
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Fluid pressure telemtering apparatus
Assignee: Honeywell Inc
•
Filing: 1955-07-07
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Granted: 1961-06-13
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Expires: 1975-07-07
Abstract
No abstract record available.
Inventors
- 👤 Bois Robert Clark Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:01
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0106; F; F15; F15B; F15B11/00; F15B11/08; F15B11/10; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/365; Y; Y10; Y10T; Y10T137/00; Y10T137/2278
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |