US2611968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gauging instrument
Assignee: Individual
•
Filing: 1949-10-08
•
Granted: 1952-09-30
•
Expires: 1969-10-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Basil D Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:09
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/02; G01B5/06; G01B5/061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US391488A
Cited
US476806A
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GB189402496A
Cited
US1179551A
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DE345637C
Cited
DE369503C
Cited
FR561716A
Cited
DE570895C
Cited
US1824153A
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US2345312A
Cited
FR885587A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-30 | 1956-03-31 | 1956-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-30 | 1960-03-31 | 1960-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-30 | 1964-03-31 | 1964-09-30 | $7700.00 | Window Closed / Lapsed |