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US3516573A
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Assignee: Alcoa Corp
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Filing: 1967-06-21
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Granted: 1970-06-23
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Expires: 1987-06-21
Abstract
No abstract record available.
Inventors
- 👤 John Mizuk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:33
CPC Classifications
A; A21; A21B; A21B3/00; A21B3/13; A47; A47J; A47J36/00; A47J36/02; A47J36/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US476340A
Cited
US2802411A
Cited
US2924369A
Cited
US2938649A
Cited
US3101864A
Cited
US3179036A
Cited
US3351265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |