US2215329A
Expired / Lapsed
US
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Tensiometer
Assignee: Westinghouse Electric Corp
•
Filing: 1938-07-09
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Granted: 1940-09-17
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Expires: 1958-07-09
Abstract
No abstract record available.
Inventors
- 👤 Gerhard P Lessmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:57
CPC Classifications
G; G01; G01N; G01N3/00; G01N3/08; B; B21; B21B; B21B37/00; B21B37/48; B21B37/50; G01L; G01L5/00; G01L5/04; G01L5/08; G01N2203/00; G01N2203/02; G01N2203/026; G01N2203/0262; G01N2203/0278; G01N2203/0282
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-09-17 | 1944-03-18 | 1944-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-17 | 1948-03-18 | 1948-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-17 | 1952-03-18 | 1952-09-17 | $7700.00 | Window Closed / Lapsed |