US2707018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sealing apparatus
Assignee: EIDP Inc
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Filing: 1951-11-23
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Granted: 1955-04-26
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Expires: 1971-11-23
Abstract
No abstract record available.
Inventors
- 👤 Duncan G Bolton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:58
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83421; B29C65/00; B29C65/02; B29C65/18; B29C66/004; B29C66/0042; B29C66/0044; B29C66/00441; B29C66/005; B29C66/01; B29C66/03; B29C66/034; B29C66/0342; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/81; B29C66/812; B29C66/8126; B29C66/81261; B29C66/818; B29C66/8181; B29C66/84; B29C66/849; B65; B65B; B65B51/00; B65B51/10; B65B51/18; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/70; B29C66/71; B29C66/8122; B29C66/90; B29C66/91; B29C66/919; B29C66/9192; B29C66/91921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
HEAT-SEALING APPARATUS COMPRISING IN COMBINATION A TABLE TOP HAVING TWO ADJACENT ALIGNED OPENINGS THEREIN, A FLAT-TOPPED HEATED PLATE LOCATED IN ONE OF SAID OPENINGS, A FLAT-TOPPED COOLED PLATE LOCATED IN THE OTHER OF SAID OPENINGS, THE TOP SURFACE OF EACH OF SAID PLATES BEING SUBSTANTIALLY FLUSH WITH THE TOP SURFACE OF SAID TABLE TOP, AND A MOVABLE ENDLESS BELT ADAPTED TO SUPPORT AND CARRY THEREON PACKAGES WRAPPED IN THERMOPLASTIC, HEAT-SEALABLE FILM AND DISPOSED TO PASS OVER AND IN CONTACT WITH THE UPPER SURFACE OF SAID TABLE TOP AND THE TOP SURFACE OF EACH OF SAID PLATES, AND THENCE UNDER SAID TABLE TOP AND SAID PLATES.
Claim 2
Dependent Claim
105 words
HEAT-SEALING APPARATUS COMPRISING IN COMBINATION A TABLE TOP HAVING TWO ADJACENT ALIGNED OPENINGS THEREIN, A FLAT-TOPPED HEATED PLATE LOCATED IN ONE OF SAID OPENINGS, A FLAT-TOPPED COOLED PLATE LOCATED IN THE OTHER OF SAID OPENINGS, THE TOP SURFACE OF EACH OF SAID PLATES BEING SUBSTANTIALLY FLUSH WITH THE TOP SURFACE OF SAID TABLE TOP, AND A MOVABLE ENDLESS BELT ADAPTED TO SUPPORT AND CARRY THEREON PACKAGES WRAPPED IN THERMOPLASTIC, HEAT-SEALABLE FILM AND DISPOSED TO PASS OVER AND IN CONTACT WITH THE UPPER SURFACE OF SAID TABLE TOP AND THE TOP SURFACE OF EACH OF SAID PLATES, AND THENCE UNDER SAID TABLE TOP AND SAID PLATES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-25 | 1958-10-25 | 1959-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-25 | 1962-10-25 | 1963-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-25 | 1966-10-25 | 1967-04-26 | $7700.00 | Window Closed / Lapsed |