Patent US3479421A successfully refreshed from Google Patents.
US3479421A
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US
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Method of molding hollow bodies
Assignee: Diener and Roth
•
Filing: 1967-11-16
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Granted: 1969-11-18
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Expires: 1987-11-16
Abstract
No abstract record available.
Inventors
- 👤 Fritz Armbruster
- 👤 Martin Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:09
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/48; B29C49/02; B29C49/04; B29C49/0411; B29C49/04114; B29C49/18; B29C49/20; B29C2049/2017; B29C2049/4874; B29C2049/4879; B29C2049/4892; B29C2793/00; B29C2793/0081; B29C2793/009; B29C49/08; B29C49/16; B29C49/1602; B29L; B29L2031/00; B29L2031/56; B29L2031/565; B29L2031/712; Y; Y10; Y10S; Y10S425/00; Y10S425/012
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) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |