US3534442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling the closing pressure in a pressure molding machine
Assignee: Mahle GmbH
•
Filing: 1968-07-05
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Granted: 1970-10-20
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Expires: 1988-07-05
Abstract
No abstract record available.
Inventors
- 👤 Joachim Mahle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:03
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/76; B29C45/7653; B22; B22D; B22D17/00; B22D17/20; B22D17/32; B29C45/1751
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2484344A
Cited
US2917773A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |