Patent US3048889A successfully refreshed from Google Patents.
US3048889A
Expired / Lapsed
US
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Process and apparatus for forming hollow objects
Assignee: Individual
•
Filing: 1960-03-08
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Granted: 1962-08-14
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Expires: 1980-03-08
Abstract
No abstract record available.
Inventors
- 👤 Fischer Stefan
- 👤 Fischer Rainer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:32
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/64; B29C49/6409; B29C49/6463; B29C49/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB688997A
Cited
US2898633A
Cited
US2783503A
Cited
US2936481A
Cited
AT206638B
Cited
US2978745A
Cited
US2936489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |