US2798260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture and packing of pressings of fibrous material
Assignee: Individual
•
Filing: 1950-10-31
•
Granted: 1957-07-09
•
Expires: 1970-10-31
Abstract
No abstract record available.
Inventors
- 👤 Niepmann Friedrich
- 👤 Niepmann Otto
- 👤 Hahn Carl
- 👤 Mittag Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:33
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/007; A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2082; A61F13/2085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1964411A
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US1932383A
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US2058275A
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US2263909A
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US2152230A
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US2188923A
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US2330257A
Cited
US2425004A
Cited
US2464310A
Cited
US2566190A
Cited
US2458685A
Cited
US2714230A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |