Patent US971042A successfully refreshed from Google Patents.
US971042A
Expired / Lapsed
US
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Apparatus for cleaning water-pipes.
Assignee: National Water Main Cleaning Co
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Filing: 1908-06-30
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Granted: 1910-09-27
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Expires: 1928-06-30
Abstract
No abstract record available.
Inventors
- 👤 Nicholas S Hill Jr
- 👤 Burt B Hodgman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:32
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/04; B08B9/053; B08B9/055; B08B9/0553
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) | 1913-09-26 | 1914-03-28 | 1914-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-09-26 | 1918-03-28 | 1918-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-09-26 | 1922-03-28 | 1922-09-27 | $7700.00 | Window Closed / Lapsed |