US2476219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary transfer molding device
Assignee: Patent Button Co
•
Filing: 1946-11-21
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Granted: 1949-07-12
•
Expires: 1966-11-21
Abstract
No abstract record available.
Inventors
- 👤 Forrest G Purinton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:29
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/03; B29C45/04; B29C45/0441; B29C45/045; Y; Y10; Y10S; Y10S425/00; Y10S425/801
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2111857A
Cited
US2055742A
Cited
GB525024A
Cited
US2351774A
Cited
US2333056A
Cited
US2327227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |