US2494974A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die for thermoplastics
Assignee: Individual
•
Filing: 1946-05-11
•
Granted: 1950-01-17
•
Expires: 1966-05-11
Abstract
No abstract record available.
Inventors
- 👤 Elbert R Wadleigh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:58
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/02; B29C33/04; B29C33/20; B29L; B29L2017/00; B29L2017/001; B29L2017/003; Y; Y10; Y10S; Y10S425/00; Y10S425/81
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1308475A
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US1417463A
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US1375831A
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US1447183A
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US1469747A
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US1571929A
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US1705975A
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US1914853A
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US1847573A
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US2046372A
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US2272231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |