US3523685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for feeding blanks or sheets
Assignee: Winkler and Duennebier Maschinefabrik und Eisengiesserei GmbH
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Filing: 1968-01-16
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Granted: 1970-08-11
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Expires: 1988-01-16
Abstract
No abstract record available.
Inventors
- 👤 Gunther Ehlscheid
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:05
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/44; B65H3/446; B65H5/00; B65H5/08; B65H5/12; B65H5/26
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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |