Patent US3389427A successfully refreshed from Google Patents.
US3389427A
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Apparatus for molding preforms of thermosetting plastics
Assignee: OI Glass Inc
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Filing: 1965-10-23
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Granted: 1968-06-25
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel R Reyburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:52
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/02; B29C43/14; B29B; B29B11/00; B29B11/06; B29B11/12; B29C31/00; B29C31/04; B29C31/06; B29C31/065; B29C31/066; B29C33/00; B29C33/02; B29C33/08; B29C43/04; B29C43/32; B29C43/34; B29C43/50; B29C33/0022; B29K; B29K2061/00; B29K2061/20; B29K2105/00; B29K2105/25; B29K2105/251; Y; Y10; Y10S; Y10S425/00; Y10S425/20; Y10S425/201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1754484A
Cited
US2647283A
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US2640234A
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US2669758A
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US3059275A
Cited
FR1260137A
Cited
US3200449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |