Patent US2537285A successfully refreshed from Google Patents.
US2537285A
Expired / Lapsed
US
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Molding equipment
Assignee: Polymer Corp
•
Filing: 1945-10-24
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Granted: 1951-01-09
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Expires: 1965-10-24
Abstract
No abstract record available.
Inventors
- 👤 Louis L Stott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:34
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/02; B29C43/00; B29C43/02; B29C43/027; Y; Y10; Y10S; Y10S425/00; Y10S425/812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US461721A
Cited
US2090489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |