Patent US3460290A successfully refreshed from Google Patents.
US3460290A
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US
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Assignee: ALBERT J WUTZKE
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Filing: 1967-07-03
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Granted: 1969-08-12
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Expires: 1987-07-03
Abstract
No abstract record available.
Inventors
- 👤 Albert J Wutzke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:49
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4609; E05; E05D; E05D15/00; E05D15/06; E05D15/0621; E05D15/0626; E05D15/063; E05D15/08; E06B3/92; E06B3/922; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/606; E05Y2201/61; E05Y2201/612; E05Y2201/614; E05Y2800/00; E05Y2800/40; E05Y2800/424; E05Y2800/426; E05Y2900/00; E05Y2900/10; E05Y2900/106; E05Y2900/13; E05Y2900/132
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1314241A
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US2850089A
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US2895183A
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US2950756A
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US2931434A
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US3060525A
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US3168172A
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US3208110A
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US3315414A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |