US3523993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moulding of elastoplastic and elastomeric substances
Assignee: C I C ENG Ltd
•
Filing: 1968-07-03
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Granted: 1970-08-11
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Expires: 1988-07-03
Abstract
No abstract record available.
Inventors
- 👤 Wallace Gerald Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:39
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/74; B29C31/00; B29C31/04; B29C31/042; B29C31/044; B29C43/00; B29C43/02; B29C43/04; B29C43/06; B29C43/08; B29C43/32; B29C43/34; B29C45/00; B29C45/03; B29C45/04; B29C45/06; B29C45/17; B29C45/18; B29C45/1866; B29C45/46; B29C45/56; B29C45/561; B29C2043/046; B29C2043/3433; B29C2043/3438; B29C43/36; B29C2043/3676; B29C2043/3689; B29C43/58; B29C2043/5875; B29C48/00; B29C48/03; B29L; B29L2031/00; B29L2031/48; B29L2031/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1858956A
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US2128239A
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US2289168A
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US2589257A
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US2964795A
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US3019480A
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US3306960A
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US3343210A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |