Patent US2862235A successfully refreshed from Google Patents.
US2862235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding apparatus
Assignee: Warner and Swasey Co
•
Filing: 1954-12-15
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Granted: 1958-12-02
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Expires: 1974-12-15
Abstract
No abstract record available.
Inventors
- 👤 Andrew A Spisak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:47
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/58; B29D; B29D21/00; B29C43/00; Y; Y10; Y10S; Y10S425/00; Y10S425/805; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/109
Claims Analysis
Total Claims: 0
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US2536506A
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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) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |