US671929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubber dam for dentists.
Assignee: EDWARD HORGAN
•
Filing: 1900-10-27
•
Granted: 1901-04-09
•
Expires: 1920-10-27
Abstract
No abstract record available.
Inventors
- 👤 Cornelius F Horgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:06
CPC Classifications
A; A61; A61C; A61C5/00; A61C5/80; A61C5/82
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) | 1904-04-08 | 1904-10-08 | 1905-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-04-08 | 1908-10-08 | 1909-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-04-08 | 1912-10-08 | 1913-04-09 | $7700.00 | Window Closed / Lapsed |