Patent US3381889A successfully refreshed from Google Patents.
US3381889A
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US
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Assignee: FREDERICK H LASKOW
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Filing: 1966-02-04
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Granted: 1968-05-07
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Expires: 1986-02-04
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Laskow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:03
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/04; B65D75/14; B65D65/00; B65D65/02; B65D65/04; B65D65/06; Y; Y10; Y10S; Y10S229/00; Y10S229/922; Y10S229/923
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1207899A
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US1174012A
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US1339339A
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US1440233A
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US1707680A
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US1794153A
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US3041775A
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US3253770A
Cited
US3288353A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |