US3755030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a cooling container by friction welding
Assignee: Flambeau Prod Corp
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Filing: 1971-10-13
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Granted: 1973-08-28
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Expires: 1991-10-13
Abstract
Abstract A product and process relating to the formation of a slush mug assembly are provided according to this invention. The slush mug is utilized to chill liquid beverages and the like for prolonged periods in relatively warm temperatures. The product and process particularly relate to a spin-welded joint for sealing a container to retain a refrigerant between the walls of the container.
Inventors
- 👤 D Doman
- 👤 L Sauey
- 👤 K Douglas
- 👤 L Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:02
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/38; B65D81/3865; B65D81/3872; A; A47; A47G; A47G19/00; A47G19/22; A47G19/2288; B29; B29C; B29C65/00; B29C65/02; B29C65/06; B29C65/0672; B29C66/00; B29C66/50; B29C66/51; B29C66/54; B29C66/545; B65D81/3876; B65D81/3879; F; F25; F25D; F25D3/00; B29L; B29L2024/00; B29L2031/00; B29L2031/712; B29L2031/7132; F25D2303/00; F25D2303/08; F25D2303/083; F25D2303/0831; F25D2331/00; F25D2331/80; F25D2331/808
Claims Analysis
Total Claims: 0
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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) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |