Patent US2839281A successfully refreshed from Google Patents.
Patent US2947558A successfully refreshed from Google Patents.
US2947558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knot-tying apparatus
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1957-02-12
•
Granted: 1960-08-02
•
Expires: 1977-02-12
Abstract
No abstract record available.
Inventors
- 👤 Jr George R Bethune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:28
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |