US2741473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scale
Assignee: Individual
•
Filing: 1949-10-31
•
Granted: 1956-04-10
•
Expires: 1969-10-31
Abstract
No abstract record available.
Inventors
- 👤 Elmo E Aylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:25
CPC Classifications
G; G01; G01G; G01G3/00; G01G3/02; G01G3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US508507A
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US988895A
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US990597A
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US993647A
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US1965302A
Cited
US2073912A
Cited
US1946775A
Cited
US1928065A
Cited
US2039527A
Cited
US2039528A
Cited
US2241730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |