Patent US3490606A successfully refreshed from Google Patents.
Patent US3621497A successfully refreshed from Google Patents.
US3621497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bed frames
Assignee: Individual
•
Filing: 1969-12-11
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Granted: 1971-11-23
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Expires: 1989-12-11
Abstract
Abstract A BED FRAME WHICH MAY CONSTIUTE A SEPARATE UNIT, OR AN INTEGRAL PART OF A BOX SPRING, AND THE LIKE, AND EMBODYING SUPPORTING MEMBERS WHICH ARE POSITIONED TO SUPPORTING UNDERLIE, AT AN ACUTE ANGLE, ALL OF THE CROSS SLATS OF A BOX SPRING MOUNTED THEREON.
Inventors
- 👤 Gordon E Fitzgerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:14
CPC Classifications
A; A47; A47C; A47C19/00; A47C19/02; A47C19/021; A47C19/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |