US2741442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn spool
Assignee: Individual
•
Filing: 1953-05-29
•
Granted: 1956-04-10
•
Expires: 1973-05-29
Abstract
No abstract record available.
Inventors
- 👤 Aupperle William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:59
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; B65H2701/515
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US299836A
Cited
US766959A
Cited
US779826A
Cited
US1036644A
Cited
US1409533A
Cited
US1588017A
Cited
US1822474A
Cited
US2567857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |