Patent US3518338A successfully refreshed from Google Patents.
US3518338A
Expired / Lapsed
US
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Molding process
Assignee: WILLIAM C TAMBUSSI
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Filing: 1967-11-28
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Granted: 1970-06-30
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Expires: 1987-11-28
Abstract
No abstract record available.
Inventors
- 👤 William C Tambussi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:35
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29D23/003; B29D23/008; B29C; B29C33/00; B29C33/44; B29C33/52; B29C70/00; B29C70/04; B29C70/28; B29C70/30; B29L; B29L2031/00; B29L2031/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |