Patent US2281946A successfully refreshed from Google Patents.
US2281946A
Expired / Lapsed
US
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Assignee: POIRIER AND MCLANE CORP
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Filing: 1939-02-25
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Granted: 1942-05-05
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Expires: 1959-02-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Lambert J O'neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:56
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/02; E04F21/04; E04F21/05; E01; E01C; E01C23/00; E01C23/01; E04G; E04G21/00; E04G21/02; E04G21/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-05-04 | 1945-11-03 | 1946-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-05-04 | 1949-11-03 | 1950-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-05-04 | 1953-11-03 | 1954-05-05 | $7700.00 | Window Closed / Lapsed |