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Patent US2601778A successfully refreshed from Google Patents.
US2601778A
Expired / Lapsed
US
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Free piston impulse blast gauge
Assignee: Individual
•
Filing: 1948-10-12
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Granted: 1952-07-01
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Expires: 1968-10-12
Abstract
No abstract record available.
Inventors
- 👤 William E Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:58
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US342351A
Cited
US391392A
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US1063281A
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US1013479A
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US1280354A
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US1263165A
Cited
US1846048A
Cited
US2308582A
Cited
US2265098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |