US1140539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable dental bridge attachment.
Assignee: Individual
•
Filing: 1914-01-02
•
Granted: 1915-05-25
•
Expires: 1934-01-02
Abstract
No abstract record available.
Inventors
- 👤 Frank H Skinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:47
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0048
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) | 1918-05-24 | 1918-11-23 | 1919-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-05-24 | 1922-11-23 | 1923-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-05-24 | 1926-11-23 | 1927-05-25 | $7700.00 | Window Closed / Lapsed |