Patent US2705523A successfully refreshed from Google Patents.
US2705523A
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Heat-seaming apparatus for thermoplastic sheet materials
Assignee: Goodrich Corp
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Filing: 1951-06-29
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Granted: 1955-04-05
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Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Victor H Hasselquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:38
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/14; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C65/223; B29C65/226; 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; B29C66/433; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
APPARATUS FOR HEAT-BONDING MULTIPLE MEMBERS OF THERMOPLASTIC MATERIAL COMPRISING A CHAMBER ADAPTED TO RECEIVE AND CONTINUOUSLY SUPPORT SAID MATERIAL ALONG THE INNER SURFACE OF ONE CONTINUOUS WALL THEREOF, MEANS FOR PRESSURIZING SAID CHAMBER TO PRESS SAID MATERIAL AGAINST
Claim 2
Dependent Claim
38 words
APPARATUS FOR HEAT-BONDING MULTIPLE MEMBERS OF THERMOPLASTIC MATERIAL COMPRISING A CHAMBER ADAPTED TO RECEIVE AND CONTINUOUSLY SUPPORT SAID MATERIAL ALONG THE INNER SURFACE OF ONE CONTINUOUS WALL THEREOF, MEANS FOR PRESSURIZING SAID CHAMBER TO PRESS SAID MATERIAL AGAINST
References Cited (Backward Citations)
US2183599A
Cited
US2268262A
Cited
US1887550A
Cited
US2233570A
Cited
US2351058A
Cited
US2404165A
Cited
US2481602A
Cited
US2383810A
Cited
US2470852A
Cited
US2433094A
Cited
US2550730A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-04 | 1958-10-04 | 1959-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-04 | 1962-10-04 | 1963-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-04 | 1966-10-04 | 1967-04-05 | $7700.00 | Window Closed / Lapsed |