Patent US1612032A successfully refreshed from Google Patents.
US1612032A
Expired / Lapsed
US
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Production of metaldehyde
Assignee: FIRM ELEK ZITATSWERK LONZA
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Filing: 1925-06-10
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Granted: 1926-12-28
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Expires: 1945-06-10
Abstract
No abstract record available.
Inventors
- 👤 Lichtenhahn Theodor
- 👤 Luscher Emil
- 👤 Steiger Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:36
CPC Classifications
C; C08; C08G; C08G2/00; C08G2/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1929-12-27 | 1930-06-28 | 1930-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-12-27 | 1934-06-28 | 1934-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-12-27 | 1938-06-28 | 1938-12-28 | $7700.00 | Window Closed / Lapsed |