US2829340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for measuring the humidity of moving webs of material
Assignee: Individual
•
Filing: 1953-05-06
•
Granted: 1958-04-01
•
Expires: 1973-05-06
Abstract
No abstract record available.
Inventors
- 👤 Lippke Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:48
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1708074A
Cited
DE495994C
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US2058518A
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US1991093A
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US2197823A
Cited
US2353852A
Cited
US2373200A
Cited
US2659048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |