US3448571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for feeding spinning material to a spinning machine
Assignee: Individual
•
Filing: 1966-12-29
•
Granted: 1969-06-10
•
Expires: 1986-12-29
Abstract
No abstract record available.
Inventors
- 👤 Ryohei Tsuzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:08
CPC Classifications
D; D01; D01H; D01H13/00; D01H13/04; D01H13/045; B; B65; B65H; B65H57/00; B65H57/12; D01H5/00; D01H5/005; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE509708A
Cited
FR743657A
Cited
US1893809A
Cited
DE882068C
Cited
US3070948A
Cited
US3191375A
Cited
US3312050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |