Patent US3387323A successfully refreshed from Google Patents.
US3387323A
Expired / Lapsed
US
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Mold with core having thread forming portions
Assignee: Nyloncraft Inc
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Filing: 1966-03-14
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Granted: 1968-06-11
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Expires: 1986-03-14
Abstract
No abstract record available.
Inventors
- 👤 Wyllie Robert
- 👤 James F Ropes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:27
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/2618; B29C45/2622; Y; Y10; Y10S; Y10S425/00; Y10S425/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US132215A
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US2327665A
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US2391527A
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US2557918A
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US2894284A
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US2890487A
Cited
US3074113A
Cited
US3339242A
Cited
US3156008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |