US3448604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blank feeding device for presses
Assignee: L Schuler GmbH
•
Filing: 1966-07-21
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Granted: 1969-06-10
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Expires: 1986-07-21
Abstract
No abstract record available.
Inventors
- 👤 Kurt Finsterwalder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:52
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/30; B21; B21D; B21D43/00; B21D43/02; B21D43/027; B21D43/04; B21D43/16; B44; B44B; B44B5/00; B44B5/0052; B44B5/0057; B44B5/02; B44B5/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US7839A
Cited
US912194A
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US1285104A
Cited
US2470102A
Cited
US3011464A
Cited
US3171143A
Cited
US3283551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |