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US3549440A
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Method for sealing a membrane to the mouth of a container utilizing induced radio frequency current
Assignee: OI Glass Ltd
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Filing: 1967-10-26
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Granted: 1970-12-22
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Expires: 1987-10-26
Abstract
No abstract record available.
Inventors
- 👤 Edmund Philip Adcock
- 👤 Joan Ann Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:58
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/70; B29C66/72; B29C66/723; B29C66/7232; B29C66/72321; B29C65/00; B29C65/02; B29C65/34; B29C65/36; B29C65/3604; B29C65/3644; B29C65/3656; B29C65/3672; B29C65/3676; B29C65/368; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; B29C66/5346; B29C66/54; B29C66/542; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/8167; B29C66/818; B29C66/83; B29C66/832; B29C66/8322; B65; B65B; B65B51/00; B65B51/10; B65B51/22; B65B51/227; B65B7/00; B65B7/16; B65B7/28; B65B7/2842; B65B7/2878; B29C66/71; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1025; Y10T156/1028; Y10T156/1033; Y10T156/1043
Claims Analysis
Total Claims: 0
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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) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |