Patent US3539078A successfully refreshed from Google Patents.
US3040944A
Expired / Lapsed
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Edge guide feed-back system
Assignee: WALLINGFORD STEEL Co
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Filing: 1960-01-08
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Granted: 1962-06-26
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Expires: 1980-01-08
Abstract
No abstract record available.
Inventors
- 👤 Andersen Poul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:08
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/032; B65H23/038; B21; B21B; B21B41/00; B21B41/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB410859A
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US2632642A
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US2709588A
Cited
US2716026A
Cited
GB762837A
Cited
US2782030A
Cited
US2928409A
Cited
FR1151045A
Cited
US2842361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |