Patent US2969057A successfully refreshed from Google Patents.
US2969057A
Expired / Lapsed
US
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Nematodic swab
Assignee: Brady Corp
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Filing: 1957-11-04
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Granted: 1961-01-24
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Expires: 1977-11-04
Abstract
No abstract record available.
Inventors
- 👤 Vaughan P Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:43
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N2001/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1972448A
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US1949271A
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US2133609A
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US2170147A
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US2139377A
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US2235436A
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US2400406A
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US2650213A
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US2783172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |