US3606077A
Expired / Lapsed
US
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Shaped seal closure
Assignee: Union Carbide Corp
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Filing: 1969-07-23
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Granted: 1971-09-20
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Expires: 1989-07-23
Abstract
Abstract A SHAPED SEAL CLOSURE FOR A THERMOPLASTIC TUBING CONPRISES A DIAPHRAGM MEMBRANE EXTENDING ACROSS THE TUBING AND INTEGRAL WITH SAID TUBING, AND A TROUGH INTEGRAL WITH THE TUBING AND COEXTENSIVE WITH SAID TUBING. THE TROUGH SERVES AS A SUPPORT AND GUIDE FOR A COUPLER, A NEEDLE OR THE LIKE WHICH WILL PERFORATE THE DIAPHRAGM.
Inventors
- 👤 Clifford C Faust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:31
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/05; A61J1/10; B; B29; B29C; B29C65/00; B29C65/02; B29C65/18; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/814; B29C66/8145; B29C66/81457; B29C66/83; B29C66/832; B29C66/8322; B65; B65B; B65B9/00; B65B9/10; B65B9/12; F; F16; F16L; F16L55/00; F16L55/10; B29C66/71; B29L; B29L2031/00; B29L2031/712; B29L2031/7148; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1005
Claims Analysis
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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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |