US1102850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental crown-post extractor.
Assignee: SS White Dental Manufacturing Co
•
Filing: 1914-03-25
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Granted: 1914-07-07
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Expires: 1934-03-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas Raymond Arden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:46
CPC Classifications
A; A61; A61C; A61C3/00; A61C3/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49815; Y10T29/49822; Y10T29/53; Y10T29/53796; Y10T29/53848; Y10T29/53857; Y10T29/53878
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1917-07-06 | 1918-01-05 | 1918-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-07-06 | 1922-01-05 | 1922-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-07-06 | 1926-01-05 | 1926-07-07 | $7700.00 | Window Closed / Lapsed |