US2706308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of forming hollow articles of thermoplastic material and apparatus for carrying out the process
Assignee: Individual
•
Filing: 1952-05-08
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Granted: 1955-04-19
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Expires: 1972-05-08
Abstract
No abstract record available.
Inventors
- 👤 Lorenz Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:26
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/02; B29C49/04; B29C49/0411; B29C43/00; B29C43/32; B29C43/36; B29C43/361; B29C48/00; B29C48/03; B29C48/06; B29C48/09; B29C48/25; B29C48/30; B29C48/32; B29C48/36; B29C48/475; B29C49/071; B29C2043/3615; B29C2043/3631; B29C49/42; B29C49/48; B29C2049/4856; B29C2049/4858; B29C2949/00; B29C2949/07; B29C2949/076; B29C2949/0768; B29C2949/077; B29C2949/0772; B29C2949/0773; B29C2949/30; B29C2949/3032; B29C2949/3041; B29C49/0685; B29L; B29L2031/00; B29L2031/712; B29L2031/7158; Y; Y10; Y10S; Y10S264/00; Y10S264/33
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) | 1958-04-18 | 1958-10-18 | 1959-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-18 | 1962-10-18 | 1963-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-18 | 1966-10-18 | 1967-04-19 | $7700.00 | Window Closed / Lapsed |