US2788337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing rapid-hardening artificial resin compositions containing hardenin agents
Assignee: BASF Schweiz AG
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Filing: 1953-04-28
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Granted: 1957-04-09
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Expires: 1973-04-28
Abstract
No abstract record available.
Inventors
- 👤 Preiswerk Ednard
- 👤 Meyerhans Konrad
- 👤 Ernst Otto
- 👤 Denz Edwin
- 👤 Juchli Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:02
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; C; C08; C08G; C08G59/00; C08G59/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1954005A
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US2478013A
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US2444333A
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US2513382A
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US2540146A
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US2528933A
Cited
US2553718A
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US2517261A
Cited
US2592709A
Cited
US2674589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |