Patent US3354477A successfully refreshed from Google Patents.
US3354477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mattress construction
Assignee: Individual
•
Filing: 1966-08-25
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Granted: 1967-11-28
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Expires: 1986-08-25
Abstract
No abstract record available.
Inventors
- 👤 Fred H Bartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:23
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/045; A47C27/0453; A47C27/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A FOLDABLE MATTRESS CONSTRUCTION INCLUDING A PAIR OF COIL SPRING SECTIONS AND UPPER AND LOWER LAYERS OF UPHOLSTERY OVERLYING AND UNDERLYING SAID SECTIONS AND FIXED THERETO, SAID SPRING SECTIONS HAVING INNER ENDS IN SPACED AND OPPOSED RELATION, UPPER AND LOWER CLIPS CONNECTING SAID OPPOSED ENDS WHILE HOLDING THEM IN SPACED RELATION, SAID UPPER AND LOWER CLIPS BEING PIVOTALLY CONNECTED TO EACH OF THE OPPOSITELY FACING END WIRES OF SAID SPRING SECTIONS AT THE UPPER SIDES THEREOF AND THE LOWER SIDES THEREOF, SAID CLIP MEANS HAVING INTERMEDIATE PORTIONS BOWED INWARDLY TOWARD ONE ANOTHER AND TIE MEANS CONNECTING SAID UPHOLSTERY TO SAID INTERMEDIATE PORTIONS OF SAID CLIPS WHEREBY UPON FOLDING MOVEMENT OF SAID SECTIJONS UPHOLSTERY IS PRECLUDED FROM MOVING OUTWARDLY FROM THE FOLD LINE TO THEREBY CREATE A NEAT FOLD LINE BETWEEN SAID SECTIONS.
Claim 2
Dependent Claim
132 words
A FOLDABLE MATTRESS CONSTRUCTION INCLUDING A PAIR OF COIL SPRING SECTIONS AND UPPER AND LOWER LAYERS OF UPHOLSTERY OVERLYING AND UNDERLYING SAID SECTIONS AND FIXED THERETO, SAID SPRING SECTIONS HAVING INNER ENDS IN SPACED AND OPPOSED RELATION, UPPER AND LOWER CLIPS CONNECTING SAID OPPOSED ENDS WHILE HOLDING THEM IN SPACED RELATION, SAID UPPER AND LOWER CLIPS BEING PIVOTALLY CONNECTED TO EACH OF THE OPPOSITELY FACING END WIRES OF SAID SPRING SECTIONS AT THE UPPER SIDES THEREOF AND THE LOWER SIDES THEREOF, SAID CLIP MEANS HAVING INTERMEDIATE PORTIONS BOWED INWARDLY TOWARD ONE ANOTHER AND TIE MEANS CONNECTING SAID UPHOLSTERY TO SAID INTERMEDIATE PORTIONS OF SAID CLIPS WHEREBY UPON FOLDING MOVEMENT OF SAID SECTIJONS UPHOLSTERY IS PRECLUDED FROM MOVING OUTWARDLY FROM THE FOLD LINE TO THEREBY CREATE A NEAT FOLD LINE BETWEEN SAID SECTIONS.
References Cited (Backward Citations)
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US3099843A
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US3110043A
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US3200417A
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US3249952A
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US3316568A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |