US2778186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile processing apparatus
Assignee: LUTTGEN KG
•
Filing: 1951-11-21
•
Granted: 1957-01-22
•
Expires: 1971-11-21
Abstract
No abstract record available.
Inventors
- 👤 Luttgen Wilhelm
- 👤 Nachtmann Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:14
CPC Classifications
D; D01; D01H; D01H1/00; D01H2700/00; D01H2700/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US6901A
Cited
US65650A
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US302750A
Cited
US611108A
Cited
US763378A
Cited
US1127994A
Cited
DE447980C
Cited
US1719612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |