Patent US3381430A successfully refreshed from Google Patents.
US3381430A
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US
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Assignee: Wico Corp
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Filing: 1965-12-27
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Granted: 1968-05-07
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Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 Wiczer Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:21
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/6116; E04F; E04F19/00; E04F19/02; E04F19/06; E04F19/062; E04F19/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |