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US649854A
Expired / Lapsed
US
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Dentist's mouth-dilator, &c.
Assignee: Individual
•
Filing: 1899-06-15
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Granted: 1900-05-15
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Expires: 1919-06-15
Abstract
No abstract record available.
Inventors
- 👤 John A W Lundborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:58
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/24
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) | 1903-05-15 | 1903-11-14 | 1904-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-05-15 | 1907-11-14 | 1908-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-05-15 | 1911-11-14 | 1912-05-15 | $7700.00 | Window Closed / Lapsed |