US3099518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an innerspring foam mattress
Assignee: Englander Co Inc
•
Filing: 1960-05-16
•
Granted: 1963-07-30
•
Expires: 1980-05-16
Abstract
No abstract record available.
Inventors
- 👤 Justin J Wetzler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:16
CPC Classifications
B; B68; B68G; B68G11/00; B68G11/04; B68G11/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A METHOD OF MAKING A RESILIENT MATTRESS WHICH COMPRISES PROVIDING A PLURALITY OF COIL SPRINGS IN A PREDETERMINED PATTERN WITH SPACES THEREBETWEEN, ENCLOSING EACH OF SAID COIL SPRINGS WITH INDIVIDUAL FILMY PLASTIC EMVELOPES, AND THEREAFTER EMBEDDING THE COIL SPRINGS WITHIN A PAD OF RESILIENT CELLULAR MATERIAL, SAID LAST MENTIONED STEP INCLUDING FORMING PORTIONS OF THE RESILIENT CELLULAR MATERIAL IN SAID SPACES BETWEEN THE PRINGS SO THAT SAID PORTONS OF THE RESILIENT CELLULAR MATERIAL INTIMATELY CONFORM TO THE FILMY ENVELOPES ENCLOSING THE SPRINGS
Claim 2
Independent Claim
82 words
A METHOD OF MAKING A RESILIENT MATTRESS WHICH COMPRISES PROVIDING A PLURALITY OF COIL SPRINGS IN A PREDETERMINED PATTERN WITH SPACES THEREBETWEEN, ENCLOSING EACH OF SAID COIL SPRINGS WITH INDIVIDUAL FILMY PLASTIC EMVELOPES, AND THEREAFTER EMBEDDING THE COIL SPRINGS WITHIN A PAD OF RESILIENT CELLULAR MATERIAL, SAID LAST MENTIONED STEP INCLUDING FORMING PORTIONS OF THE RESILIENT CELLULAR MATERIAL IN SAID SPACES BETWEEN THE PRINGS SO THAT SAID PORTONS OF THE RESILIENT CELLULAR MATERIAL INTIMATELY CONFORM TO THE FILMY ENVELOPES ENCLOSING THE SPRINGS
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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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |