US2743761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat sealer
Assignee: Goodyear Tire and Rubber Co
•
Filing: 1953-10-20
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Granted: 1956-05-01
•
Expires: 1973-10-20
Abstract
No abstract record available.
Inventors
- 👤 James E Snyder
- 👤 Clarence M Carson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:33
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/12; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C65/24; B29C65/30; B29C65/305; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/8145; B29C66/81457; B29C66/83; B29C66/832; B29C66/8322; B29C66/834; B29C66/8341; B29C66/83411; B29C66/8351; B29C66/83511; B29C66/83513; B29C66/84; B29C66/849; B29C66/851; B29C66/8511; B29C65/26; B29C66/812; B29C66/8122; B29C66/8126; B29C66/81264; B29K; B29K2995/00; B29K2995/0037; B29K2995/007; B29L; B29L2031/00; B29L2031/712; B29L2031/7128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A HEAT-SEALING DEVICE WHICH INCLUDES A JAW OF HEATCONDUCTING METAL WITH MEANS FOR SUPPLYING HEAT THERETO, WITH THE PRESSURE SURFACE OF THE JAW COVERED, AT LEAST IN PART WITH HEAT-CONDUCTING RESILIENT MATERIAL WHICH IS AN INTEGRAL PART OF THE JAW, SAID HEAT-CONDUCTING RESILIENT MATERIAL HAVING A HEAT TRANSFER RATE OF AT LEAST 1.40 B.T.U/HOUR/SQUARE FOOT/DEGRRE F./INCH.
Claim 2
Dependent Claim
56 words
A HEAT-SEALING DEVICE WHICH INCLUDES A JAW OF HEATCONDUCTING METAL WITH MEANS FOR SUPPLYING HEAT THERETO, WITH THE PRESSURE SURFACE OF THE JAW COVERED, AT LEAST IN PART WITH HEAT-CONDUCTING RESILIENT MATERIAL WHICH IS AN INTEGRAL PART OF THE JAW, SAID HEAT-CONDUCTING RESILIENT MATERIAL HAVING A HEAT TRANSFER RATE OF AT LEAST 1.40 B.T.U/HOUR/SQUARE FOOT/DEGRRE F./INCH.
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) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |