US2704493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded pulp articles and process of
Assignee: —
•
Filing: —
•
Granted: 1955-03-22
•
Expires: 1972-03-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:34
CPC Classifications
D; D21; D21J; D21J5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2016568A
Cited
US1266449A
Cited
US1598260A
Cited
US1599384A
Cited
US1694627A
Cited
US1884366A
Cited
US2023200A
Cited
GB419807A
Cited
US2237048A
Cited
US2274095A
Cited
US2337581A
Cited
US2317394A
Cited
US2369488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-21 | 1958-09-20 | 1959-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-21 | 1962-09-20 | 1963-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-21 | 1966-09-20 | 1967-03-22 | $7700.00 | Window Closed / Lapsed |