Patent US3393462A successfully refreshed from Google Patents.
US3393462A
Expired / Lapsed
US
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Disposal
Assignee: HAROLD J PICKER
•
Filing: 1965-07-30
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Granted: 1968-07-23
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Expires: 1985-07-30
Abstract
No abstract record available.
Inventors
- 👤 Harold J Picker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:35
CPC Classifications
E; E01; E01H; E01H5/00; E01H5/10; E01H5/104
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1255982A
Cited
US1746417A
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US2178400A
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US2630637A
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US2738786A
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US2977903A
Cited
US3309798A
Cited
US3304632A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |