Patent US2554788A successfully refreshed from Google Patents.
US2554788A
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Selecting and positioning device
Assignee: SWANSON TOOL AND MACHINE PRODU
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Filing: 1947-06-28
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Granted: 1951-05-29
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Expires: 1967-06-28
Abstract
No abstract record available.
Inventors
- 👤 Chester O Merchant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:37
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/02; B65G47/04; B65G47/12; B65G47/14; B65G47/1407; B65G47/1414; B65G47/1428
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US317396A
Cited
US1282610A
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US1340432A
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US1700217A
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US1741033A
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US2371748A
Cited
US2394200A
Cited
US2402097A
Cited
US2433561A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |