US2150313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tooth aligning device
Assignee: Gleason Works
•
Filing: 1937-08-25
•
Granted: 1939-03-14
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Expires: 1957-08-25
Abstract
No abstract record available.
Inventors
- 👤 Oliver F Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:12
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/12; B23F19/00; B23F19/06; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10477; Y10T409/10954
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) | 1942-03-13 | 1942-09-12 | 1943-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-03-13 | 1946-09-12 | 1947-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-03-13 | 1950-09-12 | 1951-03-14 | $7700.00 | Window Closed / Lapsed |