Patent US2587852A successfully refreshed from Google Patents.
US2587852A
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Assignee: NEW PLASTIC Corp
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Filing: 1948-10-05
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Granted: 1952-03-04
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Expires: 1968-10-05
Abstract
No abstract record available.
Inventors
- 👤 Fred S Jahn
- 👤 Joseph A Carmien
- 👤 John E Mullings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:17
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/22; F25C1/24; F25C1/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1820134A
Cited
US1907502A
Cited
US1939445A
Cited
US2134101A
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US2083081A
Cited
US2433211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |