US2804643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum extractor apparatus for removing hollow flexible molded articles from reentrant mold cavities
Assignee: Individual
•
Filing: 1955-03-21
•
Granted: 1957-09-03
•
Expires: 1975-03-21
Abstract
No abstract record available.
Inventors
- 👤 Theodore A Miller
- 👤 Jr Theodore A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:57
CPC Classifications
B; B29; B29C; B29C37/00; B29C37/0003; B29C37/0014; B29C41/00; B29C41/02; B29C41/04; B29K; B29K2101/00; B29K2101/10; B29L; B29L2031/00; B29L2031/52; B29L2031/5209; B29L2031/5218
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US180229A
Cited
US2735137A
Cited
US1624704A
Cited
US1745827A
Cited
US1809260A
Cited
US1924530A
Cited
US2100627A
Cited
US2375148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |