US3447170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulating platform structure for supporting mattress on contour beds
Assignee: BEDLINE Inc
•
Filing: 1967-09-05
•
Granted: 1969-06-03
•
Expires: 1987-09-05
Abstract
No abstract record available.
Inventors
- 👤 Melvin P Spitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:40
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/001; A47C20/00; A47C20/08; A47C23/00; A47C23/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3188660A
Cited
US2448162A
Cited
US2674745A
Cited
US3070402A
Cited
US3143803A
Cited
US3300794A
Cited
US3360806A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |