US2181282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrator
Assignee: John Oster Manufacturing Co
•
Filing: 1937-12-09
•
Granted: 1939-11-28
•
Expires: 1957-12-09
Abstract
No abstract record available.
Inventors
- 👤 Oster John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:42
CPC Classifications
A; A61; A61H; A61H23/00; A61H23/02; A61H23/0254; A61H2201/00; A61H2201/16; A61H2201/1602; A61H2201/1635; A61H2201/1638; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2179
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) | 1942-11-27 | 1943-05-29 | 1943-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-11-27 | 1947-05-29 | 1947-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-11-27 | 1951-05-29 | 1951-11-28 | $7700.00 | Window Closed / Lapsed |