US2542910A
Expired / Lapsed
US
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Assignee: STEPHEN F JACK
•
Filing: 1945-12-18
•
Granted: 1951-02-20
•
Expires: 1965-12-18
Abstract
No abstract record available.
Inventors
- 👤 Robert L Dosier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:01
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/04; B65G69/0475; B65G2814/00; B65G2814/02; B65G2814/0241; B65G2814/0294
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US634775A
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US672409A
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US741108A
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US916578A
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US1058455A
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US1462570A
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US1895180A
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US2123878A
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US2179408A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |