US2620145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bobbin
Assignee: Milliken Research Corp
•
Filing: 1950-09-26
•
Granted: 1952-12-02
•
Expires: 1970-09-26
Abstract
No abstract record available.
Inventors
- 👤 Norman E Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:04
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/14; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/50; B65H2701/51; B65H2701/512; B65H2701/5122; B65H2701/515; B65H2701/5152; B65H2701/51526
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US164062A
Cited
US1516002A
Cited
US1662238A
Cited
US1704151A
Cited
US1869408A
Cited
US2166243A
Cited
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 |