Patent US2258287A successfully refreshed from Google Patents.
US3347729A
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Apparatus for sealing thermoplastic materials including a radiant heater and a reflector
Assignee: Phillips Petroleum Co
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Filing: 1964-10-23
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Granted: 1967-10-17
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Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 Charles L Seefluth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:11
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/10; B65B51/26; B65B51/30; B29; B29C; B29C65/00; B29C65/02; B29C65/14; B29C65/1429; B29C65/1435; B29C65/1441; B29C65/1445; B29C65/1464; B29C65/1467; B29C65/74; B29C65/747; B29C66/00; B29C66/003; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/137; B29C66/20; B29C66/24; B29C66/244; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/812; B29C66/8126; B29C66/81266; B29C66/81268; B29C66/818; B29C66/8181; B29C66/81815; B29C66/82; B29C66/822; B29C66/8221; B29C66/83; B29C66/832; B29C66/8324; B29C66/84; B29C66/849; B65B9/00; B65B9/06; B29C66/71; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2995/00; B29K2995/0018; B29K2995/0026; B29K2995/0027; B29K2995/0037; B29K2995/005; B29K2995/0053; B29L; B29L2031/00; B29L2031/712; B29L2031/7128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
APPARATUS FOR SEALING THERMOPLASTIC MATERIALS WHICH ARE AT LEAST PARTIALLY TRANSPARENT TO RADIANT HEAT, COMPRISING FIRST AND SECOND RETAINING MEANS SPACED FROM ONE ANOTHER AND ADAPTED TO ENGAGE MATERIALS TO BE BONDED SO THAT SUCH MATERIALS EXTEND BETWEEN SAID RETAINING MEANS, A RADIANT HEATER POSITIONED BETWEEN SAID RETAINING MEANS AT A LOCATION ON ONE SIDE OF THE MATERIALS TO BE BONDED WHEN SUCH MATERIALS EXTEND BETWEEN SAID RETAINING MEANS SO THAT RADIANT HEAT IS DIRECTED INTO SUCH MATERIALS, A
Claim 2
Dependent Claim
79 words
APPARATUS FOR SEALING THERMOPLASTIC MATERIALS WHICH ARE AT LEAST PARTIALLY TRANSPARENT TO RADIANT HEAT, COMPRISING FIRST AND SECOND RETAINING MEANS SPACED FROM ONE ANOTHER AND ADAPTED TO ENGAGE MATERIALS TO BE BONDED SO THAT SUCH MATERIALS EXTEND BETWEEN SAID RETAINING MEANS, A RADIANT HEATER POSITIONED BETWEEN SAID RETAINING MEANS AT A LOCATION ON ONE SIDE OF THE MATERIALS TO BE BONDED WHEN SUCH MATERIALS EXTEND BETWEEN SAID RETAINING MEANS SO THAT RADIANT HEAT IS DIRECTED INTO SUCH MATERIALS, A
References Cited (Backward Citations)
US2606850A
Cited
US3243330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |