US3277537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn guide for shaping tow
Assignee: EIDP Inc
•
Filing: 1964-03-02
•
Granted: 1966-10-11
•
Expires: 1984-03-02
Abstract
No abstract record available.
Inventors
- 👤 Richard M Roeder
- 👤 Jr David Donald Drummond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:42
CPC Classifications
B; B65; B65H; B65H57/00; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/311; B65H2701/313
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2208174A
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US2345544A
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US2377173A
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US2621376A
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US3130453A
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US3131843A
Cited
US3145429A
Cited
US3231958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |