US2687885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web edge position detector
Assignee: Askania Regulator Co
•
Filing: 1950-12-05
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Granted: 1954-08-31
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Expires: 1970-12-05
Abstract
No abstract record available.
Inventors
- 👤 Robert J Kroth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:22
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/0204; B65H23/0212; D; D06; D06C; D06C3/00; D06C2700/00; D06C2700/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1231360A
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US1997984A
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US1912724A
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US2114716A
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US2462380A
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US2517388A
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US2539131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-30 | 1958-03-01 | 1958-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-30 | 1962-03-01 | 1962-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-30 | 1966-03-01 | 1966-08-31 | $7700.00 | Window Closed / Lapsed |