Patent US3530022A successfully refreshed from Google Patents.
US3530022A
Expired / Lapsed
US
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Method of making interchangeable medallions for plastic mat-forming molds
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1966-01-17
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Granted: 1970-09-22
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Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 Lamont D Mallory
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:49
CPC Classifications
B; B44; B44C; B44C1/00; B44C1/26; B29; B29C; B29C33/00; B29C33/30; B29C33/32; B29C33/42; B29C33/424; B29D; B29D99/00; B29D99/0057; B29L; B29L2031/00; B29L2031/30; B29L2031/3005; B29L2031/3017
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3408436A
Cited
US3474498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-21 | 1974-03-23 | 1974-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-21 | 1978-03-23 | 1978-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-21 | 1982-03-23 | 1982-09-22 | $7700.00 | Window Closed / Lapsed |