US2597548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frame structure for gyratory crushers
Assignee: SAMUEL W TRAYLOR
•
Filing: 1948-02-10
•
Granted: 1952-05-20
•
Expires: 1968-02-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel W Traylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:11
CPC Classifications
B; B02; B02C; B02C2/00; B02C2/02; B02C2/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18544
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |