Patent US2612129A successfully refreshed from Google Patents.
Patent US3452391A successfully refreshed from Google Patents.
US3452391A
Expired / Lapsed
US
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Device for the production of hollow bodies of thermoplastic synthetic material in the blast process
Assignee: Battenfeld Gebrueder
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Filing: 1965-10-14
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Granted: 1969-07-01
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Expires: 1985-10-14
Abstract
No abstract record available.
Inventors
- 👤 Erhard Langecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:06
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/4242; B29C49/4247; B29C49/02; B29C49/04; B29C49/0411; B29C49/04114; B29C49/48; B29C49/4802; B29C2049/4805; B29C2049/4807; B29C2049/4879; B29C2049/4881; B29C49/425; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2364029A
Cited
US2582165A
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US2944335A
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US3004285A
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US3135998A
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US3162707A
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US3172927A
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US3278665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |