US2734642A
Expired / Lapsed
US
⏱️ 0.0 years remaining
mercier
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:21
CPC Classifications
B; B65; B65G; B65G41/00; B65G41/001; B65G41/002; B65G69/00; B65G41/02; B65G65/00; B65G65/005; B65G65/28; B65G69/04; B65G69/0408; B65G2814/00; B65G2814/02; B65G2814/0241; B65G2814/0247
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE620297C
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US1458859A
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US1507301A
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US855425A
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US1239400A
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US1271493A
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US1512382A
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US1824483A
Cited
US1872458A
Cited
US2239007A
Cited
US2303490A
Cited
US2428513A
Cited
US2649185A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |