US2475820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrator
Assignee: SENN Corp
•
Filing: 1946-04-18
•
Granted: 1949-07-12
•
Expires: 1966-04-18
Abstract
No abstract record available.
Inventors
- 👤 Charles F Coake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:11
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/64; H01H50/74; H01H50/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2068093A
Cited
US2197607A
Cited
US2200064A
Cited
US2272855A
Cited
US2213854A
Cited
US2334769A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |