Patent US2599543A successfully refreshed from Google Patents.
US2599543A
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Gyratory processing apparatus
Assignee: Curlator Corp
•
Filing: 1946-06-06
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Granted: 1952-06-10
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Expires: 1966-06-06
Abstract
No abstract record available.
Inventors
- 👤 James T Coghill
- 👤 Hill Harold Sanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:57
CPC Classifications
D; D21; D21B; D21B1/00; D21B1/04; D21B1/12; D21B1/30; D21B1/34; D21B1/342; B; B01; B01F; B01F31/00; B01F31/80; B01F31/82
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) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |