US2635347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental measuring instrument
Assignee: Individual
•
Filing: 1949-06-04
•
Granted: 1953-04-21
•
Expires: 1969-06-04
Abstract
No abstract record available.
Inventors
- 👤 Gelfand Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:44
CPC Classifications
A; A61; A61C; A61C19/00; A61C19/04; A61C9/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US658011A
Cited
US826392A
Cited
US924073A
Cited
US1070123A
Cited
US1082052A
Cited
US1171565A
Cited
US1296643A
Cited
US1526619A
Cited
US1753965A
Cited
US2108980A
Cited
US2095665A
Cited
US2275726A
Cited
US2456447A
Cited
US2581256A
Cited
US2528053A
Cited
US2510152A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |