Patent US2553397A successfully refreshed from Google Patents.
US2553397A
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US
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Opposed contact distance measure
Assignee: B C AMES Co
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Filing: 1949-03-26
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Granted: 1951-05-15
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Expires: 1969-03-26
Abstract
No abstract record available.
Inventors
- 👤 Ames Warren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:52
CPC Classifications
G; G01; G01B; G01B3/00; G01B3/22; G01B3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US251662A
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US833477A
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US924668A
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US1076682A
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US1823045A
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US2117267A
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US2117268A
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US2210561A
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CH238706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |