US2796645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a mold of compacted material
Assignee: Herman Pneumatic Machine Co
•
Filing: 1952-04-30
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Granted: 1957-06-25
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Expires: 1972-04-30
Abstract
No abstract record available.
Inventors
- 👤 Paul J Kaveny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:52
CPC Classifications
B; B22; B22D; B22D13/00; B22D13/02; B22D13/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US278663A
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US1694763A
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GB190626301A
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US1480000A
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US1794527A
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US1942919A
Cited
US1959227A
Cited
US2402555A
Cited
US2449900A
Cited
US2512071A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |