US2751031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conditioning paper-making stock
Assignee: Clark and Vicario Corp
•
Filing: 1953-05-21
•
Granted: 1956-06-19
•
Expires: 1973-05-21
Abstract
No abstract record available.
Inventors
- 👤 James A Smith
- 👤 Cornelius J Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:22
CPC Classifications
D; D21; D21D; D21D5/00; D21D5/26; Y; Y10; Y10S; Y10S261/00; Y10S261/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1288058A
Cited
US1611256A
Cited
US1778302A
Cited
US2223237A
Cited
GB638198A
Cited
US2614656A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |