US2985928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for die casting and moulding
Assignee: SPARKLETS Ltd
•
Filing: 1958-11-18
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Granted: 1961-05-30
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Expires: 1978-11-18
Abstract
No abstract record available.
Inventors
- 👤 Heskett Kenneth David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:45
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/14; B22D17/20; B22D17/30; B29; B29C; B29C45/00; B29C45/17; B29C45/26; B29C45/34; B29C45/46; B29C45/53; Y; Y10; Y10S; Y10S164/00; Y10S164/09; Y10S264/00; Y10S264/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |