US2590155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silent or seminoiseless vibrator
Assignee: Individual
•
Filing: 1948-07-15
•
Granted: 1952-03-25
•
Expires: 1968-07-15
Abstract
No abstract record available.
Inventors
- 👤 Edward S Cannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:26
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/11; B06; B06B; B06B1/00; B06B1/18; B06B1/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US617529A
Cited
US1848844A
Cited
US893868A
Cited
US835290A
Cited
US1253561A
Cited
US1164889A
Cited
US1940388A
Cited
US2396787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |