Patent US3263294A successfully refreshed from Google Patents.
US3263294A
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Support
Assignee: Individual
•
Filing: 1964-03-20
•
Granted: 1966-08-02
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Expires: 1984-03-20
Abstract
No abstract record available.
Inventors
- 👤 William J Pappas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:01
CPC Classifications
A; A47; A47C; A47C31/00; A47C31/02; A47C31/04; Y; Y10; Y10T; Y10T24/00; Y10T24/47; Y10T24/4727
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
119 words
A FASTENER FOR SECURING A FLEXIBLE SPRING TO A CHAIR FRAME, SAID FASTENER HAVING INTEGRTAL PLANAR PORTIONS OFFSET FROM EACH OTHER FORMED FROM SHEET MATERIAL WHICH IS LONGITUDINALLY AND LATERALLY ELONGATED, THE LATERAL EDGES BEING ROLLED INWARDLY TOWARD EACH OTHER TO FORM AN ARCUATE FLANGE IN ONE PLANAR PORTION ON ONE LATERAL EDGE OF HOOK CONFIGURATION ADAPTED TO RECEIVE AND SHROUD AN END PORTION OF THE FLEXIBLE SPRING THEREIN AND TO FORM AN OPEN V-SHAPED HOOK IN THE OTHER PLANAR PORTION ON THE OTHER LATERAL EDGE ADAPTED TO BE RELEASABLY CLAMPED TO A CHAIR FRAME, SAID PLANAR PORTIONS BEING OFFSET FROM EACH OTHER TO FORM AN INCLUDED ANGLE GREATER THAN NINETY DEGREES BUT LESS THAN ONE HUNDRED EIGHTY DEGREES.
References Cited (Backward Citations)
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |