US2501515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn fastening means for spools
Assignee: Individual
•
Filing: 1947-04-29
•
Granted: 1950-03-21
•
Expires: 1967-04-29
Abstract
No abstract record available.
Inventors
- 👤 Roy M Hood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:30
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H75/28; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/257; Y10T225/261; Y10T225/264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2425827A
Cited
US808114A
Cited
US1274776A
Cited
FR510857A
Cited
US1868408A
Cited
DE638676C
Cited
US2048995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |