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Patent US2564880A successfully refreshed from Google Patents.
US2564880A
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Apparatus for compressing thermoplastic masses
Assignee: Individual
•
Filing: 1948-02-19
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Granted: 1951-08-21
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Expires: 1968-02-19
Abstract
No abstract record available.
Inventors
- 👤 Colombo Roberto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:29
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/22; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29C; B29C43/00; B29C48/00; B29C48/25; B29C48/36; B29C48/395; B29C48/50; B29C48/68; B29C48/03; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/904; Y10T; Y10T74/00; Y10T74/19; Y10T74/19555
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) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |