US2825592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable knot tying device for smooth filaments
Assignee: Individual
•
Filing: 1954-01-06
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Granted: 1958-03-04
•
Expires: 1974-01-06
Abstract
No abstract record available.
Inventors
- 👤 Semple James Mckenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:21
CPC Classifications
A; A01; A01K; A01K91/00; A01K91/03; A01K91/04; B; B65; B65H; B65H69/00; B65H69/04; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |