US3120570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for forming an insulated container
Assignee: Southern California Plastic Co
•
Filing: 1961-04-20
•
Granted: 1964-02-04
•
Expires: 1981-04-20
Abstract
No abstract record available.
Inventors
- 👤 Edward L Kennedy
- 👤 Glen G Riach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:12
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C44/00; B29C44/02; B29C44/12; B29C44/1228; B29C44/1242; B29C44/1247; B29C65/00; B29C65/02; B29C65/06; B29C65/0672; B29C66/12; B29C66/124; B29C66/1246; B29C66/12463; B29C66/50; B29C66/51; B29C66/54; B29C66/545; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B65; B65D; B65D81/00; B65D81/38; B65D81/3813; B65D81/3823; B29C66/70; B29C66/71; B29L; B29L2022/00; B29L2024/00; B29L2031/00; B29L2031/712; B29L2031/7132; Y; Y10; Y10S; Y10S220/00; Y10S220/902; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49879
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR FORMING AN INSULATED CONTAINER COMPRISING THE STEPS OF: FORMING A SHELL AND A LINER FROM A SELECTED THERMOPLASTIC, SAID LINER BEING ADAPTED TO BE TELESCOPICALLY RECEIVED IN SAID SHELL TO DEFINE A SPACE THEREBETWEEN, SAID SHELL AND SAID LINER EACH HAVING AN ANNULAR SURFACE ADAPTED TO BE FRICTIONALLY ENGAGED ONE WITH THE OTHER UPON AXIAL TELESCOPING MOVEMENT OF THE LINER WITH RESPECT TO THE SHELL; PLACING A FOAMABLE PLASTIC
Claim 2
Dependent Claim
72 words
A PROCESS FOR FORMING AN INSULATED CONTAINER COMPRISING THE STEPS OF: FORMING A SHELL AND A LINER FROM A SELECTED THERMOPLASTIC, SAID LINER BEING ADAPTED TO BE TELESCOPICALLY RECEIVED IN SAID SHELL TO DEFINE A SPACE THEREBETWEEN, SAID SHELL AND SAID LINER EACH HAVING AN ANNULAR SURFACE ADAPTED TO BE FRICTIONALLY ENGAGED ONE WITH THE OTHER UPON AXIAL TELESCOPING MOVEMENT OF THE LINER WITH RESPECT TO THE SHELL; PLACING A FOAMABLE PLASTIC
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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) | 1967-02-03 | 1967-08-05 | 1968-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-03 | 1971-08-05 | 1972-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-03 | 1975-08-05 | 1976-02-04 | $7700.00 | Window Closed / Lapsed |