Patent US1038783A successfully refreshed from Google Patents.
US1038783A
Expired / Lapsed
US
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Cleaning compound.
Assignee: AG WACKENREUTER
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Filing: 1911-11-27
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Granted: 1912-09-17
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Expires: 1931-11-27
Abstract
No abstract record available.
Inventors
- 👤 Carl A Nowak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:05
CPC Classifications
D; D06; D06L; D06L1/00; D06L1/02; C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0031
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) | 1915-09-17 | 1916-03-18 | 1916-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-09-17 | 1920-03-18 | 1920-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-09-17 | 1924-03-18 | 1924-09-17 | $7700.00 | Window Closed / Lapsed |