US2791404A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making cellular products
Assignee: DONALD E GLASSCO
•
Filing: 1953-05-29
•
Granted: 1957-05-07
•
Expires: 1973-05-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:12
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/74; B29B7/7404; B29B7/7409; B29B7/7414
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1372172A
Cited
US1737624A
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US1748107A
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US1885785A
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US2038451A
Cited
US2252076A
Cited
US2320469A
Cited
US2352767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |