US2609570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for forming a multipart plastic article
Assignee: Individual
•
Filing: 1951-01-22
•
Granted: 1952-09-09
•
Expires: 1971-01-22
Abstract
No abstract record available.
Inventors
- 👤 Elmer L Danielson
- 👤 Floyd J Dofsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:02
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/16; B29C45/1657; B29C2045/1667
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US701492A
Cited
US1200992A
Cited
US1284553A
Cited
US1668590A
Cited
US2062880A
Cited
US2222755A
Cited
US2483832A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |