US2856632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for stripping vinyl resins from molds
Assignee: Sun Rubber Co
•
Filing: 1954-02-19
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Granted: 1958-10-21
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Expires: 1974-02-19
Abstract
No abstract record available.
Inventors
- 👤 Rekettye Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:28
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/0003; B29C37/0014; B29C2793/00; B29C2793/009; B29K; B29K2027/00; B29K2027/06; Y; Y10; Y10S; Y10S264/00; Y10S264/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2446281A
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US2804643A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |