US2990135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable pay-off reel
Assignee: United States Steel Corp
•
Filing: 1959-07-02
•
Granted: 1961-06-27
•
Expires: 1979-07-02
Abstract
No abstract record available.
Inventors
- 👤 Homer J Croteau
- 👤 Walfred A Wallsten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:41
CPC Classifications
B; B65; B65H; B65H49/00; B65H49/18; B65H49/20; B65H49/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1494725A
Cited
US2370746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |