US2580482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turnbuckle lock
Assignee: Individual
•
Filing: 1945-07-12
•
Granted: 1952-01-01
•
Expires: 1965-07-12
Abstract
No abstract record available.
Inventors
- 👤 Louis C Stukenborg
- 👤 Harold V Utterback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:53
CPC Classifications
F; F16; F16G; F16G11/00; F16G11/12; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/948; Y10T; Y10T403/00; Y10T403/29; Y10T403/295
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) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |