US2923352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for molding pulp articles having apertures formed thereon
Assignee: Diamond National Corp
•
Filing: 1955-01-31
•
Granted: 1960-02-02
•
Expires: 1975-01-31
Abstract
No abstract record available.
Inventors
- 👤 Ammon M Leitzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:34
CPC Classifications
D; D21; D21J; D21J7/00; Y; Y10; Y10S; Y10S264/00; Y10S264/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US720593A
Cited
US798789A
Cited
US1718573A
Cited
US1699760A
Cited
US1809852A
Cited
US2032923A
Cited
US2302020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |