US2969137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective distributing and conveyor system
Assignee: Duerkoppwerke GmbH
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Filing: 1958-10-15
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Granted: 1961-01-24
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Expires: 1978-10-15
Abstract
No abstract record available.
Inventors
- 👤 Baumann Albert
- 👤 Bunten Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:28
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/74; B65G47/94; B65G47/96; B65G47/962; B65G47/965; B65G47/34; B65G47/46; B65G47/48; B65G47/485; B65G47/487
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) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |