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US2653387A
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US
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Layout instrument
Assignee: Individual
•
Filing: 1949-05-06
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Granted: 1953-09-29
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Expires: 1969-05-06
Abstract
No abstract record available.
Inventors
- 👤 Cameron James Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:21
CPC Classifications
B; B25; B25H; B25H7/00; B25H7/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US397132A
Cited
US678018A
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US776713A
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US811625A
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US870520A
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US1172510A
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US1483935A
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US1568876A
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US2272860A
Cited
US2327058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |