US2587061A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold clamping device
Assignee: Olin Industries Inc
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Filing: 1949-12-24
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Granted: 1952-02-26
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Expires: 1969-12-24
Abstract
No abstract record available.
Inventors
- 👤 John A Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:59
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/06; B22C9/062; B22D; B22D7/00; B22D7/06; B22D7/08; B29; B29C; B29C49/00; B29C49/42; B29C49/56; B29C2049/566; B29C2049/5661; B29C33/00; B29C33/20; B29C33/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |