US2715680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1950-03-22
•
Granted: 1955-08-16
•
Expires: 1970-03-22
Abstract
No abstract record available.
Inventors
- 👤 Howard E Tatel
- 👤 Edgar W Trainer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:42
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02; G01P15/08; G01P15/11; G01L; G01L9/00; G01L9/0041; G01L9/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1585244A
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US1944988A
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US2234184A
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US2332565A
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US2515969A
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US2466071A
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US2417097A
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US2494621A
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US2436639A
Cited
US2607220A
Cited
US2510073A
Cited
US2692501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |