US3523310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot support for use by the occupant of a bed
Assignee: Individual
•
Filing: 1968-01-30
•
Granted: 1970-08-11
•
Expires: 1988-01-30
Abstract
No abstract record available.
Inventors
- 👤 Terence Brian Shead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:30
CPC Classifications
A; A47; A47C; A47C20/00; A47C20/02; A47C20/021; A47C20/022; Y; Y10; Y10S; Y10S482/00; Y10S482/904
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) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |