US2692824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sizing paper pulp
Assignee: A M Meincke & Son Inc
•
Filing: 1949-09-28
•
Granted: 1954-10-26
•
Expires: 1969-09-28
Abstract
No abstract record available.
Inventors
- 👤 Clifford J Yarber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:47
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/21; D21H17/24; D21H17/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1977574A
Cited
GB414576A
Cited
US2214018A
Cited
US2239814A
Cited
US2337458A
Cited
US2337459A
Cited
US2410357A
Cited
US2590912A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-25 | 1958-04-26 | 1958-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-25 | 1962-04-26 | 1962-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-25 | 1966-04-26 | 1966-10-26 | $7700.00 | Window Closed / Lapsed |