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US2846549A
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Pressure indicating device
Assignee: King Seeley Corp
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Filing: 1954-12-20
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Granted: 1958-08-05
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Expires: 1974-12-20
Abstract
No abstract record available.
Inventors
- 👤 Boddy Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:39
CPC Classifications
G; G01; G01L; G01L9/00; G01L9/0041; G01L9/0051; G01L9/0057
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2226441A
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US2243807A
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US2286717A
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US2373292A
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US2423609A
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US2485433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |