Patent US2446818A successfully refreshed from Google Patents.
US2446818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrator
Assignee: Individual
•
Filing: 1944-11-25
•
Granted: 1948-08-10
•
Expires: 1964-11-25
Abstract
No abstract record available.
Inventors
- 👤 Flam Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:29
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/08; B28B1/087; B28B1/0873; B06; B06B; B06B3/00; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18344
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |