Patent US2800796A successfully refreshed from Google Patents.
US2800796A
Expired / Lapsed
US
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Pressure measuring device
Assignee: TRANS SOUICS Inc
•
Filing: 1952-08-05
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Granted: 1957-07-30
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Expires: 1972-08-05
Abstract
No abstract record available.
Inventors
- 👤 Vernon C Westcott
- 👤 Sidney B Williams
- 👤 Jr Wesley J Haywood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:51
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/12; G01L9/0041; G01L9/0072
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE278316C
Cited
US2178471A
Cited
GB574819A
Cited
US2392581A
Cited
US2594138A
Cited
US2521634A
Cited
DE825177C
Cited
US2712239A
Cited
US2713796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |