US2774284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for making lengths of paper or cellulose
Assignee: Sulzer AG
•
Filing: 1955-03-21
•
Granted: 1956-12-18
•
Expires: 1975-03-21
Abstract
No abstract record available.
Inventors
- 👤 Feer Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:15
CPC Classifications
D; D21; D21G; D21G9/00; D21G9/0009; D21G9/0036; D21F; D21F1/00; D21F1/48; D21F2/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2703
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1725108A
Cited
US2622492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |