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Patent US3086256A successfully refreshed from Google Patents.
US3086256A
Expired / Lapsed
US
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Folding stage
Assignee: Schieber Manufacturing Co
•
Filing: 1959-04-02
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Granted: 1963-04-23
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Expires: 1979-04-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert E Schieber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:08
CPC Classifications
E; E04; E04H; E04H3/00; E04H3/10; E04H3/22; E04H3/24; E04H3/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1747290A
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US1655217A
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US1935246A
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US2227871A
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US2668331A
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US2699978A
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US2841831A
Cited
US2831740A
Cited
US2815541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |