US2864128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for molding inlet and outlet flanges from powdered polyethylene and similar thermoplastic materials with simultaneous production of molded threads thereon
Assignee: Individual
•
Filing: 1953-08-21
•
Granted: 1958-12-16
•
Expires: 1973-08-21
Abstract
No abstract record available.
Inventors
- 👤 Jerome S Heisler
- 👤 Heisler Albert
- 👤 Anthony J Starr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:42
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/006; B29K; B29K2105/00; B29K2105/25; B29K2105/251
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2133027A
Cited
US2133019A
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US2219700A
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US2336423A
Cited
US2569226A
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US2579952A
Cited
US2654925A
Cited
US2736925A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |