Patent US3540524A successfully refreshed from Google Patents.
US3540524A
Expired / Lapsed
US
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Mould closure device for a pressure moulding machine
Assignee: Corpet Louvet et Cie
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Filing: 1968-01-19
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Granted: 1970-11-17
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Expires: 1988-01-19
Abstract
No abstract record available.
Inventors
- 👤 Rene Goerges Bachelier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:32
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/20; B22D17/26; B29; B29C; B29C45/00; B29C45/17; B29C45/64; B29C45/68; B29C45/681; Y; Y10; Y10S; Y10S425/00; Y10S425/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |