US2993258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Devices, process, and products indicating the free end of textile strand wound on a core
Assignee: Individual
•
Filing: 1958-03-27
•
Granted: 1961-07-25
•
Expires: 1978-03-27
Abstract
No abstract record available.
Inventors
- 👤 Shepard A Spunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:51
CPC Classifications
D; D01; D01H; D01H1/00; B; B65; B65H; B65H63/00; B65H63/08; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2378328A
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US2469961A
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US2798282A
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US2848348A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |