US2720113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure measuring devices
Assignee: STATHAM LAB Inc
•
Filing: 1949-02-28
•
Granted: 1955-10-11
•
Expires: 1969-02-28
Abstract
No abstract record available.
Inventors
- 👤 Louis D Statham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:29
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0033; G01L9/0035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1716472A
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US1729289A
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US1089122A
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GB191515937A
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US1532705A
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US2059549A
Cited
US2298168A
Cited
US2367087A
Cited
US2452799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-10 | 1959-04-11 | 1959-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-10 | 1963-04-11 | 1963-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-10 | 1967-04-11 | 1967-10-11 | $7700.00 | Window Closed / Lapsed |