Patent US2924949A successfully refreshed from Google Patents.
US2924949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic pile shells
Assignee: Raymond International Inc
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Filing: 1954-06-03
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Granted: 1960-02-16
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Expires: 1974-06-03
Abstract
No abstract record available.
Inventors
- 👤 Edward A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:21
CPC Classifications
E; E02; E02D; E02D7/00; E02D7/28; E02D7/30; E02D5/00; E02D5/22; E02D5/52; E02D5/66; E02D5/665
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US777351A
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US1867430A
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US1936541A
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US2288576A
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US2392085A
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US2718980A
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US2639589A
Cited
US2720332A
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US2704153A
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US2706065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |