US2528053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental surveyor
Assignee: Individual
•
Filing: 1946-06-27
•
Granted: 1950-10-31
•
Expires: 1966-06-27
Abstract
No abstract record available.
Inventors
- 👤 Elmer C Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:26
CPC Classifications
A; A61; A61C; A61C19/00; A61C19/04; A61C19/055; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30868; Y10T409/30896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE73953C
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US2434829A
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US733321A
Cited
US798934A
Cited
US1292121A
Cited
US1400028A
Cited
US1575983A
Cited
US1526619A
Cited
DE680764C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |