US2764407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling the air in machines working with suction
Assignee: Roland Offsetmaschinenfabrik Faber and Schleicher AG
•
Filing: 1952-09-26
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Granted: 1956-09-25
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Expires: 1972-09-26
Abstract
No abstract record available.
Inventors
- 👤 Alix Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:43
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/08; B65H3/0808; B65H3/0891
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2342895A
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US2639855A
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US2634748A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |