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US2887881A
Expired / Lapsed
US
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Pressure measuring apparatus
Assignee: Texaco Inc
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Filing: 1956-03-09
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Granted: 1959-05-26
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Expires: 1976-03-09
Abstract
No abstract record available.
Inventors
- 👤 James M Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:40
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2408685A
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US2436451A
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US2441044A
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US2677385A
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US2638921A
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US2658392A
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US2612908A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |