US3371383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous casting apparatus
Assignee: GKN Aerospace Transparency Systems Inc
•
Filing: 1966-09-15
•
Granted: 1968-03-05
•
Expires: 1986-09-15
Abstract
No abstract record available.
Inventors
- 👤 Olof H Hellsund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:56
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/22; B29C39/38; B29C39/14; B29C39/16; B29C39/40; B29K; B29K2105/00; B29K2105/0002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2311617A
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US2338770A
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US2867843A
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US3007206A
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US2929793A
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US3016573A
Cited
US3011211A
Cited
US3278659A
Cited
US3250841A
Cited
US3269882A
Cited
US3274643A
Cited
US3262151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |