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US3487307A
Expired / Lapsed
US
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Digital flowmeter
Assignee: Honeywell Inc
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Filing: 1968-07-01
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Granted: 1969-12-30
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Expires: 1988-07-01
Abstract
No abstract record available.
Inventors
- 👤 Morton Sklaroff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:14
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/06; G05D7/0617; G05D7/0629; G05D7/0635; H; H03; H03K; H03K5/00; H03K5/22; H03K5/26; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/908; Y10S388/91
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) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |