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US3076203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring element for mattress and bed spring
Assignee: Individual
•
Filing: 1960-05-19
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Granted: 1963-02-05
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Expires: 1980-05-19
Abstract
No abstract record available.
Inventors
- 👤 Verreau Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:11
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/04; A47C27/06; A47C27/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A SPRING ELEMENT FOR SPRING MATTRESSES AND BED SPRINGS CONSISTING OF A SINGLE RESILIENT METAL WIRE SPIRALLY WOUND AND FORMING AT EACH END A GROUP OF AT LEAST TWO CONTIGUOUS CONVOLUTIONS AND AT MID-DISTANCE BETWEEN THE TWO ENDS, AN ADDITIONAL GROUP OF AT LEAST TWO CONTIGUOUS CONVOLUTIONS OF SUBSTANTIALLY THE SAME DIAMETER AS THE
Claim 2
Dependent Claim
54 words
A SPRING ELEMENT FOR SPRING MATTRESSES AND BED SPRINGS CONSISTING OF A SINGLE RESILIENT METAL WIRE SPIRALLY WOUND AND FORMING AT EACH END A GROUP OF AT LEAST TWO CONTIGUOUS CONVOLUTIONS AND AT MID-DISTANCE BETWEEN THE TWO ENDS, AN ADDITIONAL GROUP OF AT LEAST TWO CONTIGUOUS CONVOLUTIONS OF SUBSTANTIALLY THE SAME DIAMETER AS THE
References Cited (Backward Citations)
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Cited
US274715A
Cited
US405821A
Cited
GB164533A
Cited
US1387743A
Cited
GB363455A
Cited
US1963054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |