Patent US2501595A successfully refreshed from Google Patents.
US2501595A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic molding machine
Assignee: Crown Machine and Tool Co Inc
•
Filing: 1947-04-14
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Granted: 1950-03-21
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Expires: 1967-04-14
Abstract
No abstract record available.
Inventors
- 👤 George S Bohannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:09
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/72; Y; Y10; Y10S; Y10S425/00; Y10S425/224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2057945A
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US2202140A
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US2266729A
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US2268026A
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US2362469A
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US2367144A
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US2370882A
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US2390266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-20 | 1953-09-19 | 1954-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-20 | 1957-09-19 | 1958-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-20 | 1961-09-19 | 1962-03-21 | $7700.00 | Window Closed / Lapsed |