US2607080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for producing plastic articles without flash
Assignee: Individual
•
Filing: 1947-03-15
•
Granted: 1952-08-19
•
Expires: 1967-03-15
Abstract
No abstract record available.
Inventors
- 👤 John H F Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:16
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/38; B29C33/40; Y; Y10; Y10S; Y10S425/00; Y10S425/806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1811143A
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US1930815A
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US2148079A
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US2296744A
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US2298057A
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US2409142A
Cited
US2354241A
Cited
US2416451A
Cited
US2443826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |