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US2612677A
Expired / Lapsed
US
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Inspection apparatus
Assignee: Individual
•
Filing: 1951-10-10
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Granted: 1952-10-07
•
Expires: 1971-10-10
Abstract
No abstract record available.
Inventors
- 👤 Leonard W Boley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:53
CPC Classifications
D; D06; D06H; D06H3/00; D06H3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1325350A
Cited
US701248A
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US1340152A
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US1368489A
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US1784446A
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GB569757A
Cited
US2448639A
Cited
US2570995A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |