US2884026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
krenzke
Assignee: —
•
Filing: —
•
Granted: 1959-04-28
•
Expires: 1976-04-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:55
CPC Classifications
A; A22; A22C; A22C17/00; A22C17/0006; Y; Y10; Y10T; Y10T83/00; Y10T83/707; Y10T83/7151; Y10T83/7226; Y10T83/7239; Y10T83/7251; Y10T83/95; Y10T83/96
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2101343A
Cited
US762095A
Cited
US1967724A
Cited
US2246457A
Cited
US2492824A
Cited
US2664118A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |