Patent US2845199A successfully refreshed from Google Patents.
US2845199A
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Assignee: MSA Safety Inc
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Filing: 1955-01-06
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Granted: 1958-07-29
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Expires: 1975-01-06
Abstract
No abstract record available.
Inventors
- 👤 Laurel E Putman
- 👤 Robert E Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:03
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C2201/00; F17C2201/01; F17C2201/0128; F17C2201/03; F17C2201/032; F17C2201/05; F17C2201/058; F17C2203/00; F17C2203/01; F17C2203/014; F17C2203/018; F17C2203/03; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2203/0634; F17C2203/0636; F17C2203/0639; F17C2203/0643; F17C2205/00; F17C2205/01; F17C2205/0153; F17C2205/0196; F17C2221/00; F17C2221/01; F17C2221/011; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2270/00; F17C2270/01; F17C2270/0186; F17C2270/0189; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB143365A
Cited
GB191012358A
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US1033398A
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US1598149A
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US2144820A
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US2113060A
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US2396459A
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US2453930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |