Patent US2697191A successfully refreshed from Google Patents.
US2697191A
Expired / Lapsed
US
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Follow-up type of measuring apparatus
Assignee: Honeywell Inc
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Filing: 1952-08-05
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Granted: 1954-12-14
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Expires: 1972-08-05
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Wannamaker
- 👤 Gerald C Mayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:15
CPC Classifications
G; G01; G01K; G01K7/00; G01K7/16; G01K7/22; G01R; G01R19/00; G01R19/10
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) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |