Patent US3280515A successfully refreshed from Google Patents.
US3280515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Individually adjustable additional bottom for beds with spring-mattresses
Assignee: Individual
•
Filing: 1964-04-17
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Granted: 1966-10-25
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Expires: 1984-04-17
Abstract
No abstract record available.
Inventors
- 👤 Eriksson Fritz Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:57
CPC Classifications
A; A47; A47C; A47C19/00; A47C19/02; A47C19/021; A47C19/025; A47C19/027; A47C21/00; A47C21/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A SUPPLEMENTAL SUPPORT FOR A BED MATTRESS ADAPTED TO BE PLACED BENEATH THE MATTRESS, COMPRISING A BODY COMPOSED OF UPPER AND LOWER SHEETS OF A FLEXIBLE, FOLDABLE MATERIAL, MEANS CONNECTING SAID SHEETS TOGETHER IN PARALLEL SPACED AREAS IN THE TRANSVERSE DIRECTION OF THE MATTRESS SO AS TO FORM A PLURALITY OF TRANSVERSE POCKETS, SAID POCKETS BEING OPEN AT AT LEAST ONE OF THEIR ENDS AND OF SUFFICIENT SIZE READILY TO RECEIVE THEREIN AT LEAST TWO STRAIGHT
Claim 2
Dependent Claim
76 words
A SUPPLEMENTAL SUPPORT FOR A BED MATTRESS ADAPTED TO BE PLACED BENEATH THE MATTRESS, COMPRISING A BODY COMPOSED OF UPPER AND LOWER SHEETS OF A FLEXIBLE, FOLDABLE MATERIAL, MEANS CONNECTING SAID SHEETS TOGETHER IN PARALLEL SPACED AREAS IN THE TRANSVERSE DIRECTION OF THE MATTRESS SO AS TO FORM A PLURALITY OF TRANSVERSE POCKETS, SAID POCKETS BEING OPEN AT AT LEAST ONE OF THEIR ENDS AND OF SUFFICIENT SIZE READILY TO RECEIVE THEREIN AT LEAST TWO STRAIGHT
References Cited (Backward Citations)
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Cited
US3011183A
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US1220555A
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US2174711A
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US2184808A
Cited
US2638606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |