US3052925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of quickly filling a mold cavity with thermoplastic material
Assignee: Individual
•
Filing: 1956-06-07
•
Granted: 1962-09-11
•
Expires: 1976-06-07
Abstract
No abstract record available.
Inventors
- 👤 Paul H Bronnenkant
- 👤 Charles M Ferree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:46
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/20; B29C45/23; B29C45/46; B29C2045/467; Y; Y10; Y10S; Y10S425/00; Y10S425/224; Y10S425/226; Y10S425/227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE644695C
Cited
US2318031A
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US2359152A
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US2478013A
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US2359839A
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US2612655A
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FR1030255A
Cited
US2696640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |