US2800685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Split dies for moulding
Assignee: Power Jets Research and Development Ltd
•
Filing: 1952-02-14
•
Granted: 1957-07-30
•
Expires: 1972-02-14
Abstract
No abstract record available.
Inventors
- 👤 Gaved Clement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:59
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US242638A
Cited
US488570A
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US1646592A
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US1543701A
Cited
US1401255A
Cited
US1687797A
Cited
US2262053A
Cited
US2323014A
Cited
US2473284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |