US2476776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and dental x-ray machine for producing x-ray pictures
Assignee: Individual
•
Filing: 1947-12-10
•
Granted: 1949-07-19
•
Expires: 1967-12-10
Abstract
No abstract record available.
Inventors
- 👤 Smathers Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:02
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/50; A61B6/51; A61B6/54; A61B6/548
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1985715A
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US2034049A
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US961607A
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US1015187A
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US998850A
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US1352198A
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US1408559A
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US1600867A
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US1877690A
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GB313490A
Cited
US2110764A
Cited
US2264410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |