US2620141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winding machine for paper rolls
Assignee: Individual
•
Filing: 1947-04-01
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Granted: 1952-12-02
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Expires: 1967-04-01
Abstract
No abstract record available.
Inventors
- 👤 Langbo Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:20
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/2207; B65H19/2223; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/414; B65H2301/41419; B65H2301/41421; B65H2301/417; B65H2301/418; B65H2301/4185; B65H2301/41852; B65H2301/418523; B65H2301/41856; B65H2301/4187; B65H2408/00; B65H2408/20; B65H2408/23; B65H2408/231; B65H2408/2313; B65H2408/2315; B65H2408/23155
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) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |