Patent US1007929A successfully refreshed from Google Patents.
US1007929A
Expired / Lapsed
US
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Filtering apparatus.
Assignee: PALATINE ENGINEERING Co Ltd
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Filing: 1911-01-27
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Granted: 1911-11-07
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Expires: 1931-01-27
Abstract
No abstract record available.
Inventors
- 👤 Martin Deacon
- 👤 William Gore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:49
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/28; B01D24/30; B01D24/46; B01D24/4668; B01D24/4689
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) | 1914-11-06 | 1915-05-08 | 1915-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-11-06 | 1919-05-08 | 1919-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-11-06 | 1923-05-08 | 1923-11-07 | $7700.00 | Window Closed / Lapsed |