Patent US2790944A successfully refreshed from Google Patents.
US2790944A
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Shielded measuring apparatus
Assignee: Bristol Co
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Filing: 1953-09-11
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Granted: 1957-04-30
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Expires: 1973-09-11
Abstract
No abstract record available.
Inventors
- 👤 Abraham W Siff
- 👤 Kenneth R Neale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:08
CPC Classifications
G; G01; G01R; G01R19/00; G01R19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1907400A
Cited
US2170048A
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US2614188A
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US2559515A
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US2677095A
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US2648037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-29 | 1960-10-29 | 1961-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-29 | 1964-10-29 | 1965-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-29 | 1968-10-29 | 1969-04-30 | $7700.00 | Window Closed / Lapsed |