US2652597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for compression molding plastic materials
Assignee: EMSIG Manufacturing CO
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Filing: 1950-03-28
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Granted: 1953-09-22
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Expires: 1970-03-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Sucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:47
CPC Classifications
B; B29; B29C; B29C43/00; B29C33/00; B29C33/56; B29C33/68; B29C43/003; B29D; B29D19/00; Y; Y10; Y10S; Y10S425/00; Y10S425/801
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) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |