US2668302A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating bed
Assignee: Individual
•
Filing: 1949-05-26
•
Granted: 1954-02-09
•
Expires: 1969-05-26
Abstract
No abstract record available.
Inventors
- 👤 Dengrove Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:44
CPC Classifications
A; A47; A47D; A47D9/00; A47D9/02; A47D9/04; A47D9/057
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US611174A
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US1806620A
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US652896A
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US910888A
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US923509A
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US928415A
Cited
FR529274A
Cited
US1420134A
Cited
US1500009A
Cited
US1787449A
Cited
US1827586A
Cited
US2255799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |