Patent US2878727A successfully refreshed from Google Patents.
US2878727A
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US
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Process and apparatus for producing molded articles
Assignee: Individual
•
Filing: 1953-02-19
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Granted: 1959-03-24
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Expires: 1973-02-19
Abstract
No abstract record available.
Inventors
- 👤 Groot Cornelis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:02
CPC Classifications
B; B28; B28B; B28B21/00; B28B21/76; B28B21/82; B28B7/00; B28B7/40; B28B7/46; D; D21; D21J; D21J1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1079774A
Cited
US1159895A
Cited
US1618146A
Cited
US1394786A
Cited
GB269365A
Cited
GB286498A
Cited
US1715942A
Cited
US2694349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |