US2862239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection moulding processes and apparatus therefor
Assignee: Bristol Aircraft Ltd
•
Filing: 1955-11-14
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Granted: 1958-12-02
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Expires: 1975-11-14
Abstract
No abstract record available.
Inventors
- 👤 Pollard Harold John
- 👤 Rees John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:51
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/58; B29B7/60; B29B7/603
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2430033A
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US2478013A
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US2422809A
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US2382655A
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US2469342A
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US2531218A
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US2687552A
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US2673723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |