US2800897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pillow with vibratory and heating means
Assignee: Individual
•
Filing: 1953-07-23
•
Granted: 1957-07-30
•
Expires: 1973-07-23
Abstract
No abstract record available.
Inventors
- 👤 John H Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:41
CPC Classifications
A; A61; A61H; A61H23/00; A61H23/02; A61H23/0254; A61H23/0263; Y; Y10; Y10S; Y10S5/00; Y10S5/915
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) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |