US2707880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Relative humidity measuring apparatus
Assignee: Honeywell Inc
•
Filing: 1950-02-18
•
Granted: 1955-05-10
•
Expires: 1970-02-18
Abstract
No abstract record available.
Inventors
- 👤 Jr William H Wannamaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:51
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/12; G01N27/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2047638A
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US2295570A
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GB533381A
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US2396420A
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US2285421A
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US2381299A
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US2404891A
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US2424146A
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US2501377A
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US2446153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |