US3535716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Use of swing absorbers in beds with adjustable back
Assignee: Individual
•
Filing: 1967-12-04
•
Granted: 1970-10-27
•
Expires: 1987-12-04
Abstract
No abstract record available.
Inventors
- 👤 Otto Greiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:06
CPC Classifications
A; A61; A61G; A61G7/00; A61G7/002; A61G7/015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2639913A
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US2943866A
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US3061843A
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US3190695A
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US3283342A
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US3253285A
Cited
US3268256A
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US3319270A
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US3353193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |