US2787251A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Muffled vibrator
Assignee: Individual
•
Filing: 1955-02-08
•
Granted: 1957-04-02
•
Expires: 1975-02-08
Abstract
No abstract record available.
Inventors
- 👤 James E Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:51
CPC Classifications
F; F01; F01B; F01B11/00; F01B11/04; F01B11/06; B; B06; B06B; B06B1/00; B06B1/18; B06B1/183
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) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |