US2525959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for positioning x-ray film to dental cones
Assignee: Individual
•
Filing: 1946-10-02
•
Granted: 1950-10-17
•
Expires: 1966-10-02
Abstract
No abstract record available.
Inventors
- 👤 Shapiro Isadore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:03
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/04; G03B42/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1536341A
Cited
US2090933A
Cited
US2123210A
Cited
US2127365A
Cited
US2127502A
Cited
US2193993A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |